MACHINERY COST 2008/2009 COMPILED BY: COMPUTUS MANAGEMENT INFORMATION (PTY) LTD CM 2001/021018/07 PO BOX 1615 BETHLEHEM PDF Free Download

MACHINERY COST 2008/2009 COMPILED BY: COMPUTUS MANAGEMENT INFORMATION (PTY) LTD CM 2001/021018/07 PO BOX 1615 BETHLEHEM 9700 Tel.: (058) 3039640 www.computus.info 4-Jan-2010

CONTENTS Notes to the calculations of machinery cost Tractor cost (Summarised) Implement cost Tractor cost (detail) Optimal tractor replacement Spreading of repair cost Total cultivating cost per crop Fuel cost per crop Operator cost per crop Transport cost per crop - 1-2 - 3-8 - 12-16 - 18-19 - 20-21 Although we put an effort in to compile this document as accurately as possible, we do not take any responsibility for decisions taken on the grounds of information in this document. ACKNOWLEDGEMENT Prices of tractors, implements and components were supplied by: Battery centre, Bethlehem Dormas Northmech, Bethlehem AFGRI Workshop, Bethlehem Radium Engineering Maxiprest Bethlehem AFGRI, Bethlehem Wesmeg, Vryburg Wilton Ploughs

NOTES TO THE CALCULATION OF MACHINERY COST Life time of tractor = 10 year Hours per annum in use = 1000 hour Hours per day in use = 10 hour Investment rate = 12.5 % Inflation rate = 10 % Real rate of financing cost = 2.5 % Discount on purchase price = 10 % Insurance rate = 0.5 % Lisence fee = 185.00 Rand per annum 6001-6750 kg Diesel price (Rabat excluded) = 10.00 Rand/liter Marginal tax rate = 28 % spreading of inflation rate = Factor - Year 1 1.1 1.0000 - Year 2 1.1000 - Year 3 1.2100 - Year 4 1.3310 - Year 5 1.4641 - Year 6 1.6105 - Year 7 1.7716 - Year 8 1.9487 - Year 9 2.1436 - Year 10 2.3579 TOTAL 15.937 Cross & Perry faktor vir trekkers = 48.19% for smaller as 111 kw; 60.05% for bigger as 111 kw Cross & Perry faktor vir implemente = 25.78% for planters; 18.86% for balers; 20.35% for other implements 24.9% for combine harvesters Spreading of repair cost = Is used to calculate maintanance and repairs from a inflation adapted list price. Repair cost = Total maintanance and repairs - maintanance cost Depreciation = Financing cost = Purchase price + Trade value x rate 2 Trade value after useful life = Insurance = Purchase price + Trade value x rate 2 (The assumption is that tractors and implements does not become technologicly obsolute.) Operators cost = Computus Bestuursburo wage survey Tractor driver level B1 R 1,095 per month (natura included) B2 R 1,265 " B3 R 1,705 " B4 R 2,200 " General worker level A1 R 1,095 " A2 R 1,128 " A3 R 1,183 " Prices = Prices does not include VAT. Fuel consumption = 0.30 liter per kw-hour at 60% power for high power requirements. 0.35 liter per kw-hour at 45% power for medium power requirements. 0.40 liter per kw-hour at 35% power for low power requirements. (Source: Institute for Agricultural Engineering) Purchase price + Trade value Life time of tractor Current list price x inflation factor for year 10 x Cross & Perry factor COMPUTUS BESTUURSINLIGTING (EDMS) BPK: MEGANISASIEKOSTE - 1 -

TRACTOR COST (SUMMARISED) MODEL: JOHN DEERE JOHN DEERE JOHN DEERE JOHN DEERE JOHN DEERE JOHN DEERE JOHN DEERE 5715 MFWD 6320 MFWD 6620 MFWD 6920 MFWD 7820 MFWD 8430 MFWD 9420 MFDW kw 63 74 92 110 149 217 327 Annual hours in use 1000 1000 1000 1000 1000 1000 1000 PRICE: List price R 314,600.00 R 558,700.00 R 802,100.00 R 937,700.00 R 1,149,052.00 R 1,522,052.00 R 2,161,000.00 Purchase price R 283,140.00 R 502,830.00 R 721,890.00 R 843,930.00 R 1,034,146.80 R 1,369,846.80 R 1,944,900.00 Trade value after life R 357,478.40 R 634,848.01 R 911,422.21 R 1,065,503.81 R 1,626,997.41 R 2,155,145.86 R 3,059,862.74 PRICE PER kw: List price R 4,993.65 R 7,550.00 R 8,718.48 R 8,524.55 R 7,711.76 R 7,014.06 R 6,608.56 Purchase price R 4,494.29 R 6,795.00 R 7,846.63 R 7,672.09 R 6,940.58 R 6,312.66 R 5,947.71 Trade value after life R 5,674.26 R 8,579.03 R 9,906.76 R 9,686.40 R 10,919.45 R 9,931.55 R 9,357.38 COST OVER LIFE TIME: Operator's cost R 131,340.00 R 131,340.00 R 151,800.00 R 151,800.00 R 204,600.00 R 204,600.00 R 264,000.00 Fixed cost R 23,604.36 R 40,483.69 R 57,314.62 R 66,691.26 R -191,828.98 R -254,700.16 R -362,398.33 Maintanance cost R 103,675.48 R 109,971.74 R 112,138.31 R 139,916.96 R 208,057.01 R 312,884.35 R 470,493.88 Repair cost R 227,318.37 R 477,842.19 R 731,759.23 R 846,646.71 R 1,000,872.24 R 1,288,481.98 R 1,803,116.12 TOTAL COST R 485,938.20 R 759,637.62 R 1,053,012.16 R 1,205,054.93 R 1,221,700.28 R 1,551,266.18 R 2,175,211.68 COST PER kw: Operator's cost R 2,084.76 R 1,774.86 R 1,650.00 R 1,380.00 R 1,373.15 R 942.86 R 807.34 Fixed cost R 374.67 R 547.08 R 622.98 R 606.28 R -1,287.44 R -1,173.73 R -1,108.25 Maintanance cost R 1,645.64 R 1,486.10 R 1,218.89 R 1,271.97 R 1,396.36 R 1,441.86 R 1,438.82 Repair cost R 3,608.23 R 6,457.33 R 7,953.90 R 7,696.79 R 6,717.26 R 5,937.70 R 5,514.12 TOTAL COST R 7,713.30 R 10,265.37 R 11,445.78 R 10,955.04 R 8,199.33 R 7,148.69 R 6,652.02 COST PER ANNUM: Operator's cost R 13,134.00 R 13,134.00 R 15,180.00 R 15,180.00 R 20,460.00 R 20,460.00 R 26,400.00 Fixed cost R 2,360.44 R 4,048.37 R 5,731.46 R 6,669.13 R -19,182.90 R -25,470.02 R -36,239.83 Maintanance cost R 10,367.55 R 10,997.17 R 11,213.83 R 13,991.70 R 20,805.70 R 31,288.44 R 47,049.39 Repair cost R 22,731.84 R 47,784.22 R 73,175.92 R 84,664.67 R 100,087.22 R 128,848.20 R 180,311.61 TOTAL COST R 48,593.82 R 75,963.76 R 105,301.22 R 120,505.49 R 122,170.03 R 155,126.62 R 217,521.17 COST PER HOUR: Operator's cost R 13.13 R 13.13 R 15.18 R 15.18 R 20.46 R 20.46 R 26.40 Fixed cost R 2.36 R 4.05 R 5.73 R 6.67 R -19.18 R -25.47 R -36.24 Maintanance cost R 10.37 R 11.00 R 11.21 R 13.99 R 20.81 R 31.29 R 47.05 Repair cost R 22.73 R 47.78 R 73.18 R 84.66 R 100.09 R 128.85 R 180.31 TOTAL COST R 48.59 R 75.96 R 105.30 R 120.51 R 122.17 R 155.13 R 217.52 COMPUTUS BESTUURSINLIGTING (EDMS) BPK: MEGANISASIEKOSTE - 2 -

IMPLEMENT COST Implement Width Speed Effec- Work Work Work Tractor Fuel List Purchase Trade Depre- Finan- Operatr Repair & Fuel Cost of Cost of Cost of Cost of Cost of tive tempo capas capas model consump price Price value ciation cing cost maintain cost implement implement tractor tractor cultivation m km/h % ha/h ha/day ha/year kw l/ha R R R R/year R/year R/year R/year R/year R/year R/ha R/hour R/ha R/ha Plough: 1.62 16.24 15.86 288.38 3 Btms (400) BP 1.20 5.5 83 0.55 5.48 250 63 20.70 20370 18333 8797 954 339 0 3949 51752 56994 227.98 48.59 88.71 316.68 3 Btms (450) BP 1.35 5.5 83 0.62 6.16 250 63 18.40 20470 18423 8840 958 341 0 3968 46002 51270 205.08 48.59 78.85 283.93 4 Btms (400) BP 1.60 6.0 83 0.80 7.97 250 74 16.72 26020 23418 11237 1218 433 0 5044 41792 48488 193.95 75.96 95.34 289.29 4 Btms (450) BP 1.80 6.0 83 0.90 8.96 250 74 14.86 26315 23684 11364 1232 438 0 5101 37149 43920 175.68 75.96 84.74 260.42 5 Btms (400) BP 2.00 6.0 83 1.00 9.96 250 92 16.63 35105 31595 15160 1643 584 0 6806 41566 50600 202.40 105.30 105.72 308.12 5 Btms (450) BP 2.25 7.5 83 1.40 14.01 250 110 14.14 39550 35595 17080 1852 658 0 7667 35341 45519 182.07 120.51 86.04 268.11 6 Btms (450) BP 2.40 8.5 83 1.69 16.93 250 149 15.84 40755 36680 17600 1908 678 0 7901 39600 50087 200.35 122.17 72.15 272.50 8 Bts (550) WT 4.40 8.5 83 3.10 31.04 250 217 12.58 99000 89100 42754 4635 1648 0 19192 31457 56933 227.73 155.13 49.97 277.70 10 Bts (550) WT 5.50 10.0 83 4.57 45.65 250 327 12.89 138000 124200 59596 6460 2297 0 26753 32234 67745 270.98 217.52 47.65 318.63 Deep rip: 1.11 11.07 22.45 361.83 1 tine ripper BP 0.90 5.5 78 0.39 3.86 350 63 29.37 10480 9432 4526 491 174 0 1477 102797 104939 299.83 48.59 125.86 425.69 1 tine ripper BP 1.50 6.0 78 0.70 7.02 350 74 18.97 10480 9432 4526 491 174 0 1477 66410 68553 195.86 75.96 108.21 304.07 3 tine ripper BP 1.50 6.0 78 0.70 7.02 350 92 23.59 13825 12443 5970 647 230 0 1949 82564 85390 243.97 105.30 150.00 393.97 3 tine ripper BP 1.50 5.8 78 0.68 6.79 350 110 29.18 13825 12443 5970 647 230 0 1949 102122 104948 299.85 120.51 177.58 477.43 5 tine ripper BP 2.50 7.0 78 1.37 13.65 350 149 19.65 23170 20853 10006 1085 386 0 3266 68769 73506 210.02 122.17 89.50 299.52 9 tine ripper GC 4.50 8.0 78 2.81 28.08 350 217 13.91 130000 117000 56142 6086 2164 0 18324 48686 75260 215.03 155.13 55.24 270.27 Disk: 3.38 33.81 8.96 253.89 Offset BP 1.80 6.0 79 0.85 8.53 250 63 13.29 20625 18563 8907 966 343 0 2172 33228 36709 146.84 48.59 56.95 203.79 Offset BP 2.30 8.0 79 1.45 14.54 250 74 9.16 26620 23958 11496 1246 443 0 2803 22909 27401 109.61 75.96 52.26 161.86 Offset BP 2.70 8.0 79 1.71 17.06 250 92 9.70 30890 27801 13340 1446 514 0 3253 24262 29475 117.90 105.30 61.71 179.61 Offset GT 3.60 8.5 79 2.42 24.17 250 110 8.19 170000 153000 73416 7958 2830 0 17903 20477 49168 196.67 120.51 49.85 246.52 Offset GT 4.20 8.5 79 2.82 28.20 250 149 9.51 190000 171000 82053 8895 3163 0 20009 23774 55841 223.36 122.17 43.32 266.68 Offset Baldan 5.80 9.0 79 4.12 41.24 250 217 9.47 253000 227700 109260 11844 4212 0 26644 23680 66379 265.52 155.13 37.62 303.13 Offset Baldan 6.95 9.0 79 4.94 49.41 250 217 7.90 250000 225000 107965 11704 4162 0 26328 19761 61955 247.82 155.13 31.39 279.21 Offset Baldan 8.50 13.0 79 8.73 87.30 250 217 4.47 475000 427500 205133 22237 7908 0 50023 11186 91354 365.41 217.52 24.92 390.33 Till: 3.66 36.60 6.51 184.97 Tiller Rovic 1.60 8.0 84 1.08 10.75 250 63 9.23 13270 11943 5731 621 221 0 1322 23071 25235 100.94 48.59 45.20 146.14 Tiller Rovic 2.90 8.0 84 1.95 19.49 250 74 5.98 21575 19418 9317 1010 359 0 2149 14952 18470 73.88 75.96 38.98 112.86 Tiller Rovic 3.50 8.4 84 2.47 24.70 250 92 5.87 29835 26852 12884 1397 497 0 2972 14668 19534 78.13 105.30 42.64 120.77 Tiller Rovic 4.70 9.0 84 3.55 35.53 250 110 4.88 43875 39488 18948 2054 730 0 4370 12190 19344 77.38 120.51 33.91 111.29 Fieldspan JS 5.50 8.0 84 3.70 36.96 250 149 6.35 234450 211005 101249 10976 3903 0 23353 15874 54105 216.42 122.17 33.05 249.48 Fieldspan JS 7.00 9.0 84 5.29 52.92 250 217 6.46 256770 231093 110888 12020 4275 0 25576 16146 58017 232.07 155.13 29.31 261.38 Fieldspan JS 8.60 10.5 84 7.59 75.85 250 327 6.79 300980 270882 129981 14090 5011 0 29980 16975 66055 264.22 217.52 28.68 292.90 COMPUTUS BESTUURSINLIGTING (EDMS) BPK: MEGANISASIEKOSTE - 3 -

IMPLEMENT COST Implement Width Speed Effec- Work Work Work Tractor Fuel List Purchase Trade Depre- Finan- Operatr Repair & Fuel Cost of Cost of Cost of Cost of Cost of tive tempo capas capas model consump price Price value ciation cing cost maintain cost implement implement tractor tractor cultivation m km/h % ha/h ha/day ha/year kw l/ha R R R R/year R/year R/year R/year R/year R/year R/ha R/hour R/ha R/ha Chisel plough: 2.37 23.67 7.95 177.78 Vibro flex VF 1.90 6.0 84 0.96 9.58 250 63 10.36 50607 45546 21855 2369 843 0 4184 25905 33300 133.20 48.59 50.75 183.95 Vibro flex VFM 3.00 7.5 84 1.89 18.90 250 74 6.17 71721 64549 30973 3358 1194 0 5929 15417 25898 103.59 75.96 40.19 143.78 Vibro flex VFM 3.40 7.0 84 2.00 19.99 250 92 7.25 97204 87484 41978 4551 1618 0 8036 18120 32325 129.30 105.30 52.67 181.97 Vibro flex VFM 3.80 7.0 84 2.23 22.34 250 110 7.75 101595 91436 43875 4756 1691 0 8399 19384 34231 136.92 120.51 53.93 190.86 Vibro flex VFM 4.30 8.0 84 2.89 28.90 250 149 8.12 88646 79781 38282 4150 1476 0 7329 20303 33258 133.03 122.17 42.28 175.31 Vibro flex VFM 5.60 9.0 84 4.23 42.34 250 217 8.07 125656 113090 54266 5882 2092 0 10388 20182 38545 154.18 155.13 36.64 190.82 Drillers: 3.20 31.98 4.94 465.36 3 row JD (V/D) 4.50 7.5 65 2.19 21.94 120 63 4.52 206100 185490 112755 7273 3728 3383 29075 5428 48887 407.39 48.59 22.15 429.54 3 row JD (V/L) 4.50 7.5 65 2.19 21.94 120 63 4.52 199100 179190 108926 7026 3601 3383 28088 5428 47526 396.05 48.59 22.15 418.20 4 row JD (V/D) 3.60 8.5 65 1.99 19.89 120 74 5.86 177800 160020 97273 6275 3216 3383 25083 7032 44988 374.90 75.96 38.19 413.09 4 row JD (V/L) 3.60 8.5 65 1.99 19.89 120 74 5.86 176000 158400 96288 6211 3184 3383 24829 7032 44638 371.98 75.96 38.19 410.17 5 row JD (V/D) 7.50 8.5 65 4.14 41.44 120 92 3.50 295800 266220 161830 10439 5351 3383 41729 4196 65098 542.48 105.30 25.41 567.89 5 row JD (V/L) 7.50 8.5 65 4.14 41.44 120 92 3.50 294800 265320 161282 10404 5333 3383 41588 4196 64903 540.86 105.30 25.41 566.27 6 row JD (V/D) 5.40 8.5 65 2.98 29.84 120 110 5.81 276300 248670 151161 9751 4998 3383 38978 6968 64078 533.98 120.51 40.39 574.37 6 row JD (V/L) 5.40 8.5 65 2.98 29.84 120 110 5.81 272700 245430 149192 9624 4933 3383 38471 6968 63378 528.15 120.51 40.39 568.54 8 row JD (V/D) 7.20 10.0 65 4.68 46.80 250 149 5.01 337700 303930 184753 11918 6109 3383 47640 12536 81585 326.34 122.17 26.10 352.44 8 row JD (V/L) 7.20 10.0 65 4.68 46.80 250 149 5.01 338500 304650 185190 11946 6123 3383 47753 12536 81741 326.96 122.17 26.10 353.07 Wheat plant: 1.91 19.06 7.93 307.03 7 row BP BP14 2.84 6.5 65 1.20 12.00 150 63 8.27 104850 94365 57362 3700 1897 3383 14772 12404 36155 241.03 48.59 40.50 281.53 7 row BP BP14 3.25 6.5 65 1.37 13.73 150 63 7.23 104850 94365 57362 3700 1897 3383 14772 10839 34590 230.60 48.59 35.39 265.99 7 row BP BP14 3.66 8.0 65 1.90 19.03 150 74 6.12 104850 94365 57362 3700 1897 3383 14772 9186 32937 219.58 75.96 39.91 259.49 9 row BP BP18 3.56 8.0 65 1.85 18.51 150 110 9.36 130720 117648 71516 4613 2365 3383 18416 14038 42815 285.43 75.96 41.03 326.47 9 row BP BP18 4.06 8.0 65 2.11 21.11 150 110 8.21 130720 117648 71516 4613 2365 3383 18416 12309 41086 273.91 105.30 49.88 323.78 9 row BP BP18 4.57 8.0 65 2.38 23.76 150 110 7.29 130720 117648 71516 4613 2365 3383 18416 10936 39712 264.75 105.30 44.31 309.06 9 row BP BP18 3.56 8.0 65 1.85 18.51 150 110 9.36 130720 117648 71516 4613 2365 3383 18416 14038 42815 285.43 120.51 65.10 350.53 9 row BP BP18 4.06 8.0 65 2.11 21.11 150 110 8.21 130720 117648 71516 4613 2365 3383 18416 12309 41086 273.91 120.51 57.08 330.98 9 row BP BP18 4.57 8.0 65 2.38 23.76 150 110 7.29 130720 117648 71516 4613 2365 3383 18416 10936 39712 264.75 120.51 50.71 315.46 Spray: 3.57 35.70 2.61 84.26 300 L Rovic 7.00 8.5 60 3.57 35.70 150 63 2.47 29400 26460 12697 1376 489 1128 2436 3706 9135 60.90 48.59 13.61 74.51 600 L Rovic 7.00 8.5 60 3.57 35.70 150 63 2.47 36600 32940 15806 1713 609 1128 3033 3706 10189 67.93 48.59 13.61 81.54 800 L Rovic 7.00 8.5 60 3.57 35.70 150 74 2.90 39900 35910 17231 1868 664 1128 3306 4353 11319 75.46 75.96 21.28 96.74 COMPUTUS BESTUURSINLIGTING (EDMS) BPK: MEGANISASIEKOSTE - 4 -

IMPLEMENT COST Implement Width Speed Effec- Work Work Work Tractor Fuel List Purchase Trade Depre- Finan- Operatr Repair & Fuel Cost of Cost of Cost of Cost of Cost of tive tempo capas capas model consump price Price value ciation cing cost maintain cost implement implement tractor tractor cultivation m km/h % ha/h ha/day ha/year kw l/ha R R R R/year R/year R/year R/year R/year R/year R/ha R/hour R/ha R/ha Cultivate: 2.72 27.23 5.74 128.08 2 row Cultiv JD 2 row Cultiv JD 3 row Cultiv JD 4.50 4.0 83 1.49 14.94 250 63 5.90 29100 26190 12567 1362 484 0 4983 14759 21588 86.35 48.59 32.53 118.88 3 row Cultiv JD 4.50 7.5 83 2.80 28.01 250 63 3.15 29100 26190 12567 1362 484 0 4983 7871 14701 58.80 48.59 17.35 76.15 4 row Cultiv JD 3.60 4.0 83 1.20 11.95 250 74 8.67 30360 27324 13111 1421 505 0 5198 21670 28795 115.18 75.96 63.56 178.74 4 row Cultiv JD 3.60 8.5 83 2.54 25.40 250 74 4.08 30360 27324 13111 1421 505 0 5198 10198 17323 69.29 75.96 29.91 99.20 6 row Cultiv JD 5.40 4.0 83 1.79 17.93 250 92 7.18 34155 30740 14750 1599 569 0 5848 17961 25976 103.91 105.30 58.74 162.64 6 row Cultiv JD 5.40 8.5 83 3.81 38.10 250 92 3.38 34155 30740 14750 1599 569 0 5848 8452 16468 65.87 105.30 27.64 93.51 6 row Cultiv JD 5.40 4.0 83 1.79 17.93 250 110 8.59 34155 30740 14750 1599 569 0 5848 21475 29490 117.96 120.51 67.22 185.18 6 row Cultiv JD 5.40 9.0 83 4.03 40.34 250 110 3.82 34155 30740 14750 1599 569 0 5848 9544 17560 70.24 120.51 29.87 100.11 8 row Cultiv JD 7.20 4.0 83 2.39 23.90 250 149 8.73 35420 31878 15296 1658 590 0 6065 21816 30129 120.52 122.17 51.11 171.62 8 row Cultiv JD 7.20 9.0 83 5.38 53.78 250 149 3.88 35420 31878 15296 1658 590 0 6065 9696 18009 72.03 122.17 22.71 94.75 Fertilizer Applicator: 2.56 25.58 6.01 177.95 3 row JD 4.50 7.5 60 2.03 20.25 150 74 5.12 24265 21839 10479 1136 404 2255 5382 7674 16851 112.34 75.96 37.51 149.85 4 row JD 3.60 7.5 60 1.62 16.20 150 92 7.95 24812 22331 10715 1162 413 2255 5503 11926 21258 141.72 105.30 65.00 206.72 6 row JD 5.40 9.0 60 2.92 29.16 150 110 5.28 32977 29679 14241 1544 549 2255 7314 7922 19583 130.56 120.51 41.33 171.88 8 row JD 7.20 8.5 60 3.67 36.72 150 149 5.68 41142 37028 17768 1926 685 2255 9125 8521 22512 150.08 122.17 33.27 183.35 Spread: 6.78 67.77 2.38 102.78 500 l Cosmo 6.00 9.0 42 2.27 22.68 150 63 3.89 5250 4725 2267 246 87 2255 1164 5833 9586 63.91 48.59 21.43 85.33 500 l E/span 12.00 9.0 50 5.40 54.00 150 74 1.92 7830 7047 3381 367 130 2255 1737 2878 7366 49.11 75.96 14.07 63.18 600 l E/span 18.00 9.0 60 9.72 97.20 150 110 1.58 19750 17775 8529 925 329 2255 4380 2377 10265 68.43 120.51 12.40 80.83 1100 l Kuhn 18.00 9.0 60 9.72 97.20 150 149 2.15 69800 62820 30144 3268 1162 2255 15480 3219 25384 169.23 122.17 12.57 181.80 Mow: 1.27 12.65 10.24 327.52 Slasher mow AP 1.20 6 75 0.54 5.40 300 63 16.33 12879 11591 5562 603 214 0 3293 49000 53110 177.03 48.59 89.99 267.02 Slasher mow AP 1.50 6 75 0.68 6.75 300 63 13.07 19136 17222 8264 896 319 0 4892 39200 45307 151.02 48.59 71.99 223.01 Slasher mow AP 1.80 7 75 0.95 9.45 300 74 10.96 21263 19137 9183 995 354 0 5436 32889 39674 132.25 75.96 80.38 212.63 Disk mow Kuhn 1.60 7 75 0.84 8.40 300 63 10.50 62820 56538 27129 2941 1046 0 16060 31500 51547 171.82 48.59 57.85 229.67 Disk mow Kuhn 2.00 7 75 1.05 10.50 300 74 9.87 73230 65907 31625 3428 1219 0 18722 29600 52969 176.56 75.96 72.35 248.91 Disk mow Kuhn 2.40 7 75 1.26 12.60 300 74 8.22 85340 76806 36855 3995 1421 0 21818 24667 51900 173.00 75.96 60.29 233.29 Mow/Cond Kuhn 2.50 9 75 1.69 16.88 300 110 9.13 322380 290142 139222 15092 5367 0 82419 27378 130256 434.19 120.51 71.41 505.60 Mow/Cond Kuhn 3.00 9 75 2.03 20.25 300 110 7.60 348040 313236 150304 16293 5794 0 88979 22815 133882 446.27 120.51 59.51 505.78 Mow/Cond Kuhn 3.50 9 75 2.36 23.63 300 110 6.52 381290 343161 164663 17850 6348 0 97480 19556 141233 470.78 120.51 51.01 521.78 COMPUTUS BESTUURSINLIGTING (EDMS) BPK: MEGANISASIEKOSTE - 5 -

IMPLEMENT COST Implement Width Speed Effec- Work Work Work Tractor Fuel List Purchase Trade Depre- Finan- Operatr Repair & Fuel Cost of Cost of Cost of Cost of Cost of tive tempo capas capas model consump price Price value ciation cing cost maintain cost implement implement tractor tractor cultivation m km/h % ha/h ha/day ha/year kw l/ha R R R R/year R/year R/year R/year R/year R/year R/ha R/hour R/ha R/ha Harrow: 2.65 26.52 4.00 87.22 4 Wheel Tonutti 2.30 8.5 80 1.56 15.64 200 63 5.64 10620 9558 4586 497 177 0 2112 11279 14065 70.32 48.59 31.07 101.39 8 Wheel Tonutti 5.50 8.5 80 3.74 37.40 200 63 2.36 27800 25020 12006 1301 463 0 5529 4717 12009 60.05 48.59 12.99 73.04 Bale: 2.56 25.64 5.78 297.29 1.2 m Dia JD 2.28 6.8 60 0.93 9.30 200 63 10.67 281000 252900 112467 14043 4567 0 29708 21333 69652 348.26 48.59 52.24 400.50 1.2 m Dia JD 5.45 6.8 60 2.22 22.24 200 63 4.46 281000 252900 112467 14043 4567 0 29708 8925 57243 286.22 48.59 21.85 308.07 1.2 m Dia JD 6.70 6.8 60 2.73 27.34 200 74 4.26 281000 252900 112467 14043 4567 0 29708 8527 56846 284.23 75.96 27.79 312.02 1.2 m Dia Masc 2.28 6.8 60 0.93 9.30 200 74 12.53 281000 252900 112467 14043 4567 0 29708 25058 73376 366.88 75.96 81.66 448.54 1.2 m Dia Masc 5.45 6.8 60 2.22 22.24 200 63 4.46 182480 164232 73035 9120 2966 0 19292 8925 40302 201.51 48.59 21.85 223.37 1.2 m Dia Masc 6.70 6.8 60 2.73 27.34 200 63 3.63 200300 180270 80168 10010 3255 0 21176 7260 41702 208.51 48.59 17.78 226.28 1.6 m Dia Masc 5.45 6.8 60 6.00 60.00 200 74 1.94 198790 178911 79563 9935 3231 0 21017 3885 38067 190.34 75.96 12.66 203.00 1.6 m Dia Masc 6.70 6.8 60 2.73 27.34 200 74 4.26 216500 194850 86652 10820 3519 0 22889 8527 45755 228.77 75.96 27.79 256.56 Potatoes: 0.54 5.40 22.61 516.04 Planter 1.50 6 60 0.54 5.40 100 74 21.58 95364 85828 41184 4464 1588 3383 13435 21583 44453 444.53 75.96 140.67 585.20 Ridger 1.50 6 60 0.54 5.40 100 74 21.58 38718 34846 16721 1813 645 0 4093 21583 28134 281.34 75.96 140.67 422.01 Lifter 1.50 6 60 0.54 5.40 100 74 24.67 90774 81697 39201 4250 1511 0 9597 24667 40024 400.24 75.96 140.67 540.92 Sort: Cap/d Pwr/h Bag/ha ha/day ha/year Power 645.24 Wash & pack 4000 9.00 2000 2 100 422000 379800 182244 19756 7026 0 37186 4500 68467 684.67 0.00 0.00 684.67 Wash & pack 6000 15.00 2000 3 150 550000 495000 237522 25748 9157 0 48466 7500 90870 605.80 0.00 0.00 605.80 Silage: 20.99 451.86 Silage Trukay 0.90 6.8 60 0.37 3.67 200 63 27.02 86000 77400 37140 4026 1432 3383 12080 54044 74964 374.82 48.59 132.34 507.16 Silage Trukay 1.50 6.8 60 0.61 6.12 200 74 19.04 86000 77400 37140 4026 1432 3383 12080 38088 59008 295.04 75.96 124.12 419.17 Silage Mengele 2.10 6.8 60 0.86 8.57 200 92 16.91 118000 106200 50959 5524 1964 3383 16575 33824 61269 306.35 105.30 122.90 429.25 Harvest: 1.35 13.46 9.78 412.68 Trail harvest BP 1.80 6.8 60 0.73 7.34 300 63 13.51 345070 310563 149021 16154 5745 1128 48469 40533 112029 373.43 48.59 66.17 439.60 Trail harvest BP 3.60 6.8 60 1.47 14.69 300 74 7.94 389465 350519 168194 18232 6484 1128 54705 23805 104354 347.85 75.96 51.72 399.57 Trail harvest BP 4.50 6.8 60 1.84 18.36 300 92 7.89 380780 342702 164443 17826 6339 1128 53485 23676 102455 341.52 105.30 57.35 398.87 JD 9560 & 6 r Hd 5.46 8.0 65 2.84 28.39 1000 142 9.00 2229300 2006370 1177525 82885 39799 5115 109373 90025 327197 327.20 327.20 JD 9560 & Table 7.60 8.0 65 3.95 39.52 1000 142 6.47 2232300 2009070 1179109 82996 39852 5115 109521 64676 302160 302.16 302.16 Peanut lifter 1.80 6.0 60 0.65 6.48 100 74 20.56 250000 225000 107965 11704 4162 0 26431 20556 62852 628.52 75.96 117.23 745.75 Transport: km/h h/year l/ha R/h R/u\h R/km 10 Ton flat BP 12 500 74 10.36 84130 75717 36332 3938 1401 1128 2407 51800 60673 121.35 75.96 16.44 10 Ton bin BP 12 500 74 10.36 98000 88200 42322 4588 1632 1128 2804 51800 61950 123.90 75.96 16.66 COMPUTUS BESTUURSINLIGTING (EDMS) BPK: MEGANISASIEKOSTE - 6 -

TRACTOR COST (DETAIL) MODEL JOHN DEERE JOHN DEERE DETAILS 5715 MFWD 6320 MFWD kw 63 74 Annual hours in use 1000 1000 PRICE: Per kw Total Per hour Per kw Total Per hour List price R 4,993.65 R 314,600.00 R 31.46 R 7,550.00 R 558,700.00 R 55.87 Purchase price R 4,494.29 R 283,140.00 R 28.31 R 6,795.00 R 502,830.00 R 50.28 Trade value after life R 5,674.26 R 357,478.40 R 35.75 R 8,579.03 R 634,848.01 R 63.48 COST: Per kw Per Year Per hour Per kw Per Year Per hour Operator's cost R 2,084.76 R 13,134.00 R 13.13 R 1,774.86 R 13,134.00 R 13.13 Fixed cost R 374.67 R 2,360.44 R 2.36 R 547.08 R 4,048.37 R 4.05 Maintanance cost R 1,645.64 R 10,367.55 R 10.37 R 1,486.10 R 10,997.17 R 11.00 Repair cost R 3,608.23 R 22,731.84 R 22.73 R 6,457.33 R 47,784.22 R 47.78 TOTAL COST R 7,713.30 R 48,593.82 R 48.59 R 10,265.37 R 75,963.76 R 75.96 FIXED COST: Per kw Cost per Year Cost per hour Per kw Cost per Year Cost per hour - Depreciation R -1,179.97 R -7,433.84 R -7.43 R -1,784.03 R -13,201.80 R -13.20 - Lisence R 29.37 R 185.00 R 0.19 R 25.00 R 185.00 R 0.19 - Insurance R 254.21 R 1,601.55 R 1.60 R 384.35 R 2,844.20 R 2.84 - Financing cost R 1,271.07 R 8,007.73 R 8.01 R 1,921.75 R 14,220.98 R 14.22 TOTAL R 374.67 R 2,360.44 R 2.36 R 547.08 R 4,048.37 R 4.05 MAINTANANCE Hours Price Cost/hour Hours Price Cost/hour Oil: R 3.90 R 3.67 - Machine oil 150 R 430.02 R 2.87 150 R 344.02 R 2.29 - Transmission oil 1500 R 1,548.06 R 1.03 1500 R 2,064.08 R 1.38 Filters: R 1.77 R 2.63 - Air filter (primary) 600 R 102.95 R 0.17 600 R 232.24 R 0.39 - Air filter (sekondary) 600 R 263.38 R 0.44 600 R 378.37 R 0.63 - Diesel filter 450 R 189.49 R 0.42 450 R 189.49 R 0.42 - Hidrolic oil filter 450 R 194.32 R 0.43 450 R 219.12 R 0.49 - Oil filter 150 R 46.50 R 0.31 150 R 106.01 R 0.71 - Transmission oil filter 1500 R - R - 1500 R - R - - Air conditioner filter 750 R - R - 750 R - R - Tyres: R 4.34 R 4.34 - Set at front 3000 R 4,833.32 R 1.61 3000 R 4,833.32 R 1.61 - Set at rear 4000 R 10,931.28 R 2.73 4000 R 10,931.28 R 2.73 Battery: 2000 R 702.63 R 0.35 2000 R 702.63 R 0.35 TOTAL R 10.37 R 11.00 MAINTAIN & REPAIR Factor List Price Cost/life time Factor List Price Cost/life time - Year 1 0.0150 R 314,600.00 R 4,719.00 0.0150 R 558,700.00 R 8,380.50 - Year 2 0.0305 R 346,060.00 R 10,554.83 0.0305 R 614,570.00 R 18,744.39 - Year 3 0.0415 R 380,666.00 R 15,797.64 0.0415 R 676,027.00 R 28,055.12 - Year 4 0.0508 R 418,732.60 R 21,271.62 0.0508 R 743,629.70 R 37,776.39 - Year 5 0.0592 R 460,605.86 R 27,267.87 0.0592 R 817,992.67 R 48,425.17 - Year 6 0.0667 R 506,666.45 R 33,794.65 0.0667 R 899,791.94 R 60,016.12 - Year 7 0.0738 R 557,333.09 R 41,131.18 0.0738 R 989,771.13 R 73,045.11 - Year 8 0.0804 R 613,066.40 R 49,290.54 0.0804 R 1,088,748.24 R 87,535.36 - Year 9 0.0866 R 674,373.04 R 58,400.71 0.0866 R 1,197,623.07 R 103,714.16 - Year 10 0.0927 R 741,810.34 R 68,765.82 0.0927 R 1,317,385.37 R 122,121.62 TOTAL R 330,993.85 R 587,813.93 COMPUTUS BESTUURSINLIGTING (EDMS) BPK: MEGANISASIEKOSTE - 8 -

TRACTOR COST (DETAIL) MODEL JOHN DEERE JOHN DEERE DETAILS 6620 MFWD 6920 MFWD kw 92 110 Annual hours in use 1000 1000 PRICE: r Total Per hour Per hour Per kw Total Per hour List price R 8,718.48 R 802,100.00 R 80.21 R 8,524.55 R 937,700.00 R 93.77 Purchase price R 7,846.63 R 721,890.00 R 72.19 R 7,672.09 R 843,930.00 R 84.39 Trade value after life R 9,906.76 R 911,422.21 R 91.14 R 9,686.40 R 1,065,503.81 R 106.55 COST: Per kw Per Year Per hour Per kw Per Year Per hour Operator's cost R 1,650.00 R 15,180.00 R 15.18 R 1,380.00 R 15,180.00 R 15.18 Fixed cost R 622.98 R 5,731.46 R 5.73 R 606.28 R 6,669.13 R 6.67 Maintanance cost R 1,218.89 R 11,213.83 R 11.21 R 1,271.97 R 13,991.70 R 13.99 Repair cost R 7,953.90 R 73,175.92 R 73.18 R 7,696.79 R 84,664.67 R 84.66 TOTAL COST R 11,445.78 R 105,301.22 R 105.30 R 10,955.04 R 120,505.49 R 120.51 FIXED COST: Per kw Cost per Year Cost per hour Per kw Cost per Year Cost per hour - Depreciation R -2,060.13 R -18,953.22 R -18.95 R -2,014.31 R -22,157.38 R -22.16 - Lisence R 20.11 R 185.00 R 0.19 R 16.82 R 185.00 R 0.19 - Insurance R 443.83 R 4,083.28 R 4.08 R 433.96 R 4,773.58 R 4.77 - Financing cost R 2,219.17 R 20,416.40 R 20.42 R 2,169.81 R 23,867.92 R 23.87 TOTAL R 622.98 R 5,731.46 R 5.73 R 606.28 R 6,669.13 R 6.67 MAINTANANCE Hours Price Cost/hour Hours Price Cost/hour Oil: R 3.67 R 3.26 - Machine oil 150 R 344.02 R 2.29 150 R 344.02 R 2.29 - Transmission oil 1500 R 2,064.08 R 1.38 1500 R 1,444.86 R 0.96 Filters: R 4.47 R 4.10 - Air filter (primary) 600 R 398.75 R 0.66 600 R 398.75 R 0.66 - Air filter (sekondary) 600 R 770.83 R 1.28 600 R 770.83 R 1.28 - Diesel filter 450 R 189.49 R 0.42 450 R 189.49 R 0.42 - Hidrolic oil filter 450 R 219.12 R 0.49 450 R 235.83 R 0.52 - Oil filter 150 R 106.01 R 0.71 150 R 106.01 R 0.71 - Transmission oil filter 1500 R 235.48 R 0.16 1500 R 235.48 R 0.16 - Air conditioner filter 750 R 560.86 R 0.75 750 R 255.66 R 0.34 Tyres: R 2.72 R 5.93 - Set at front 3000 R 3,062.00 R 1.02 3000 R 6,784.00 R 2.26 - Set at rear 4000 R 6,814.00 R 1.70 4000 R 14,688.00 R 3.67 Battery: 2000 R 702.63 R 0.35 2000 R 1,405.26 R 0.70 TOTAL R 11.21 R 13.99 MAINTAIN & REPAIR Factor List Price Cost/life time Factor List Price Cost/life time - Year 1 0.0150 R 802,100.00 R 12,031.50 0.0150 R 937,700.00 R 14,065.50 - Year 2 0.0305 R 882,310.00 R 26,910.46 0.0305 R 1,031,470.00 R 31,459.84 - Year 3 0.0415 R 970,541.00 R 40,277.45 0.0415 R 1,134,617.00 R 47,086.61 - Year 4 0.0508 R 1,067,595.10 R 54,233.83 0.0508 R 1,248,078.70 R 63,402.40 - Year 5 0.0592 R 1,174,354.61 R 69,521.79 0.0592 R 1,372,886.57 R 81,274.88 - Year 6 0.0667 R 1,291,790.07 R 86,162.40 0.0667 R 1,510,175.23 R 100,728.69 - Year 7 0.0738 R 1,420,969.08 R 104,867.52 0.0738 R 1,661,192.75 R 122,596.02 - Year 8 0.0804 R 1,563,065.99 R 125,670.51 0.0804 R 1,827,312.02 R 146,915.89 - Year 9 0.0866 R 1,719,372.58 R 148,897.67 0.0866 R 2,010,043.23 R 174,069.74 - Year 10 0.0927 R 1,891,309.84 R 175,324.42 0.0927 R 2,211,047.55 R 204,964.11 TOTAL R 843,897.54 R 986,563.67 COMPUTUS BESTUURSINLIGTING (EDMS) BPK: MEGANISASIEKOSTE - 9 -

TRACTOR COST (DETAIL) MODEL JOHN DEERE JOHN DEERE DETAILS 7820 MFWD 8430 MFWD kw 149 217 Annual hours in use 1000 1000 PRICE: Per kw Total Per hour Per kw Total Per hour List price R 7,711.76 R 1,149,052.00 R 114.91 R 7,014.06 R 1,522,052.00 R 152.21 Purchase price R 6,940.58 R 1,034,146.80 R 103.41 R 6,312.66 R 1,369,846.80 R 136.98 Trade value after life R 10,919.45 R 1,626,997.41 R 162.70 R 9,931.55 R 2,155,145.86 R 215.51 COST: Per kw Per Year Per hour Per kw Per Year Per hour Operator's cost R 1,373.15 R 20,460.00 R 20.46 R 942.86 R 20,460.00 R 20.46 Fixed cost R -1,287.44 R -19,182.90 R -19.18 R -1,173.73 R -25,470.02 R -25.47 Maintanance cost R 1,396.36 R 20,805.70 R 20.81 R 1,441.86 R 31,288.44 R 31.29 Repair cost R 6,717.26 R 100,087.22 R 100.09 R 5,937.70 R 128,848.20 R 128.85 TOTAL COST R 8,199.33 R 122,170.03 R 122.17 R 7,148.69 R 155,126.62 R 155.13 FIXED COST: Per kw Cost per Year Cost per hour Per kw Cost per Year Cost per hour - Depreciation R -3,978.86 R -59,285.06 R -59.29 R -3,618.89 R -78,529.91 R -78.53 - Lisence R 12.42 R 185.00 R 0.19 R 8.53 R 185.00 R 0.19 - Insurance R 446.50 R 6,652.86 R 6.65 R 406.11 R 8,812.48 R 8.81 - Financing cost R 2,232.50 R 33,264.30 R 33.26 R 2,030.53 R 44,062.41 R 44.06 TOTAL R -1,287.44 R -19,182.90 R -19.18 R -1,173.73 R -25,470.02 R -25.47 MAINTANANCE Hours Price Cost/hour Hours Price Cost/hour Oil: R 6.53 R 7.90 - Machine oil 150 R 716.70 R 4.78 150 R 802.70 R 5.35 - Transmission oil 1500 R 2,631.70 R 1.75 1500 R 3,818.55 R 2.55 Filters: R 3.97 R 3.99 - Air filter (primary) 600 R 237.69 R 0.40 600 R 172.56 R 0.29 - Air filter (sekondary) 600 R 132.91 R 0.22 600 R 373.33 R 0.62 - Diesel filter 450 R 247.60 R 0.55 450 R 247.60 R 0.55 - Hidrolic oil filter 450 R 725.63 R 1.61 450 R 725.63 R 1.61 - Oil filter 150 R 113.23 R 0.75 150 R 113.23 R 0.75 - Transmission oil filter 1500 R - R - 1500 R - R - - Air conditioner filter 750 R 322.51 R 0.43 750 R 124.75 R 0.17 Tyres: R 9.61 R 18.70 - Set at front 3000 R 6,784.00 R 2.26 3000 R 15,120.00 R 5.04 - Set at rear 4000 R 29,376.00 R 7.34 4000 R 54,620.00 R 13.66 Battery: 2000 R 1,405.26 R 0.70 2000 R 1,405.26 R 0.70 TOTAL R 20.81 R 31.29 MAINTAIN & REPAIR Factor List Price Cost/life time Factor List Price Cost/life time - Year 1 0.0150 R 1,149,052.00 R 17,235.78 0.0150 R 1,522,052.00 R 22,830.78 - Year 2 0.0305 R 1,263,957.20 R 38,550.69 0.0305 R 1,674,257.20 R 51,064.84 - Year 3 0.0415 R 1,390,352.92 R 57,699.65 0.0415 R 1,841,682.92 R 76,429.84 - Year 4 0.0508 R 1,529,388.21 R 77,692.92 0.0508 R 2,025,851.21 R 102,913.24 - Year 5 0.0592 R 1,682,327.03 R 99,593.76 0.0592 R 2,228,436.33 R 131,923.43 - Year 6 0.0667 R 1,850,559.74 R 123,432.33 0.0667 R 2,451,279.97 R 163,500.37 - Year 7 0.0738 R 2,035,615.71 R 150,228.44 0.0738 R 2,696,407.96 R 198,994.91 - Year 8 0.0804 R 2,239,177.28 R 180,029.85 0.0804 R 2,966,048.76 R 238,470.32 - Year 9 0.0866 R 2,463,095.01 R 213,304.03 0.0866 R 3,262,653.64 R 282,545.80 - Year 10 0.0927 R 2,709,404.51 R 251,161.80 0.0927 R 3,588,919.00 R 332,692.79 TOTAL R 1,208,929.26 R 1,601,366.34 COMPUTUS BESTUURSINLIGTING (EDMS) BPK: MEGANISASIEKOSTE - 10 -

TRACTOR COST (DETAIL) MODEL DETAILS JOHN DEERE 9420 MFDW kw 327 Annual hours in use 1000 PRICE: Per kw Total Per hour List price R 6,608.56 R 2,161,000.00 R 216.10 Purchase price R 5,947.71 R 1,944,900.00 R 194.49 Trade value after life R 9,357.38 R 3,059,862.74 R 305.99 COST: Per kw Per Year Per hour Operator's cost R 807.34 R 26,400.00 R 26.40 Fixed cost R -1,108.25 R -36,239.83 R -36.24 Maintanance cost R 1,438.82 R 47,049.39 R 47.05 Repair cost R 5,514.12 R 180,311.61 R 180.31 TOTAL COST R 6,652.02 R 217,521.17 R 217.52 FIXED COST: Per kw/year Cost per Year Cost per hour - Depreciation R -3,409.67 R -111,496.27 R -111.50 - Lisence R 5.66 R 185.00 R 0.19 - Insurance R 382.63 R 12,511.91 R 12.51 - Financing cost R 1,913.14 R 62,559.53 R 62.56 TOTAL R -1,108.25 R -36,239.83 R -36.24 MAINTANANCE Hours Price Cost/hour Oil: R 10.44 - Machine oil 150 R 1,204.06 R 8.03 - Transmission oil 1500 R 3,612.14 R 2.41 Filters: R 8.60 - Air filter (primary) 600 R 633.98 R 1.06 - Air filter (sekondary) 600 R 852.96 R 1.42 - Diesel filter 450 R 440.75 R 0.98 - Hidrolic oil filter 450 R 877.02 R 1.95 - Oil filter 150 R 428.14 R 2.85 - Transmission oil filter 1500 R 206.87 R 0.14 - Air conditioner filter 750 R 152.12 R 0.20 Tyres: R 27.31 - Set at front 4000 R 54,620.00 R 13.66 - Set at rear 4000 R 54,620.00 R 13.66 Battery: 2000 R 1,405.26 R 0.70 TOTAL R 47.05 MAINTAIN & REPAIR Factor List Price Cost/life time - Year 1 0.0150 R 2,161,000.00 R 32,415.00 - Year 2 0.0305 R 2,377,100.00 R 72,501.55 - Year 3 0.0415 R 2,614,810.00 R 108,514.62 - Year 4 0.0508 R 2,876,291.00 R 146,115.58 - Year 5 0.0592 R 3,163,920.10 R 187,304.07 - Year 6 0.0667 R 3,480,312.11 R 232,136.82 - Year 7 0.0738 R 3,828,343.32 R 282,531.74 - Year 8 0.0804 R 4,211,177.65 R 338,578.68 - Year 9 0.0866 R 4,632,295.42 R 401,156.78 - Year 10 0.0927 R 5,095,524.96 R 472,355.16 TOTAL R 2,273,610.00 COMPUTUS BESTUURSINLIGTING (EDMS) BPK: MEGANISASIEKOSTE - 11 -

OPTIMAL TRACTOR REPLACEMENT JOHN DEERE 5715 MFWD 63 kw Optimal replacement takes place in the 7 th year (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) Year Inflation Interest Current value Repair Annual Annual Adapted Adapted Total Total Purchase Resale Replacement factor factor factor factor repair cost depreciation repair cost depreciation repair cost depreciation price value cost 10 2.5 (1) x (2) R R (3) x (5) (6) x (2) R R R R R 1 1.100 0.976 1.073 0.015 4719 31460 5064 30693 5064 30693 314600 206979 3588656 2 1.210 0.952 1.152 0.031 9595 31460 11051 29944 16115 60637 0 193170 1800364 3 1.331 0.929 1.236 0.042 13056 31460 16137 29214 32252 89851 0 181575 1235874 4 1.464 0.906 1.326 0.051 15982 31460 21198 28501 53450 118352 0 171354 985232 5 1.611 0.884 1.423 0.059 18624 31460 26511 27806 79961 146158 0 162131 864963 6 1.772 0.862 1.528 0.067 20984 31460 32055 27128 112016 173286 0 153689 813012 7 1.949 0.841 1.639 0.074 23217 31460 38062 26466 150078 199752 7 145891 803569 8 2.144 0.821 1.759 0.080 25294 31460 44501 25821 194579 225573 0 138638 823550 9 2.358 0.801 1.888 0.087 27244 31460 51439 25191 246018 250763 0 131859 865949 10 2.594 0.781 2.026 0.093 29163 31460 59092 24577 305110 275340 0 125498 927310 7.00 803568.55 JOHN DEERE 6320 MFWD 74 kw Optimal replacement takes place in the 7 th year (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) Year Inflation Interest Current value Repair Annual Annual Adapted Adapted Total Total Purchase Resale Replacement factor factor factor factor repair cost depreciation repair cost depreciation repair cost depreciation price value cost 10 2.5 (1) x (2) R R (3) x (5) (6) x (2) R R R R R 1 1.100 0.976 1.073 0.015 8381 55870 8994 54507 8994 54507 558700 356941 6841048 2 1.210 0.952 1.152 0.031 17040 55870 19625 53178 28619 107685 0 332949 3438753 3 1.331 0.929 1.236 0.042 23186 55870 28657 51881 57276 159566 0 312812 2361824 4 1.464 0.906 1.326 0.051 28382 55870 37646 50615 94922 210181 0 295067 1880030 5 1.611 0.884 1.423 0.059 33075 55870 47081 49381 142003 259562 0 279058 1644806 6 1.772 0.862 1.528 0.067 37265 55870 56927 48177 198930 307739 0 264413 1538402 7 1.949 0.841 1.639 0.074 41232 55870 67595 47001 266525 354740 7 250887 1511763 8 2.144 0.821 1.759 0.080 44919 55870 79029 45855 345554 400596 0 238312 1540047 9 2.358 0.801 1.888 0.087 48383 55870 91352 44737 436905 445332 0 226562 1609924 10 2.594 0.781 2.026 0.093 51791 55870 104941 43646 541847 488978 0 215539 1714723 7.00 1511762.93 COMPUTUS BESTUURSINLIGTING (EDMS) BPK MEGANISASIEKOSTE - 12 -

OPTIMAL TRACTOR REPLACEMENT JOHN DEERE 6620 MFWD 92 kw Optimal replacement takes place in the 7 th year (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) Year Inflation Interest Current value Repair Annual Annual Adapted Adapted Total Total Purchase Resale Replacement factor factor factor factor repair cost depreciation repair cost depreciation repair cost depreciation price value cost 10 2.5 (1) x (2) R R (3) x (5) (6) x (2) R R R R R 1 1.100 0.976 1.073 0.015 12032 80210 12912 78254 12912 78254 802100 488168 10889506 2 1.210 0.952 1.152 0.031 24464 80210 28175 76345 41087 154599 0 454949 5487778 3 1.331 0.929 1.236 0.042 33287 80210 41142 74483 82229 229082 0 427086 3771646 4 1.464 0.906 1.326 0.051 40747 80210 54046 72666 136275 301748 0 402547 2996181 5 1.611 0.884 1.423 0.059 47484 80210 67592 70894 203867 372642 0 380422 2609052 6 1.772 0.862 1.528 0.067 53500 80210 81727 69165 285594 441807 0 360191 2423979 7 1.949 0.841 1.639 0.074 59195 80210 97044 67478 382638 509285 7 341518 2363177 8 2.144 0.821 1.759 0.080 64489 80210 113458 65832 496096 575117 0 324167 2387319 9 2.358 0.801 1.888 0.087 69462 80210 131149 64226 627245 639343 0 307962 2475235 10 2.594 0.781 2.026 0.093 74355 80210 150659 62660 777905 702003 0 292769 2616135 7.00 2363177.43 JOHN DEERE 6920 MFWD 110 kw Optimal replacement takes place in the 7 th year (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) Year Inflation Interest Current value Repair Annual Annual Adapted Adapted Total Total Purchase Resale Replacement factor factor factor factor repair cost depreciation repair cost depreciation repair cost depreciation price value cost 10 2.5 (1) x (2) R R (3) x (5) (6) x (2) R R R R R 1 1.100 0.976 1.073 0.015 14066 93770 15095 91483 15095 91483 937700 543324 13934821 2 1.210 0.952 1.152 0.031 28600 93770 32938 89252 48033 180735 0 505889 7036298 3 1.331 0.929 1.236 0.042 38915 93770 48097 87075 96130 267809 0 474510 4838187 4 1.464 0.906 1.326 0.051 47635 93770 63183 84951 159313 352760 0 446891 3837090 5 1.611 0.884 1.423 0.059 55512 93770 79019 82879 238332 435639 0 422003 3328727 6 1.772 0.862 1.528 0.067 62545 93770 95544 80858 333876 516497 0 399259 3075885 7 1.949 0.841 1.639 0.074 69202 93770 113449 78885 447325 595382 7 378278 2979327 8 2.144 0.821 1.759 0.080 75391 93770 132639 76961 579964 672344 0 358793 2988943 9 2.358 0.801 1.888 0.087 81205 93770 153321 75084 733285 747428 0 340605 3077694 10 2.594 0.781 2.026 0.093 86925 93770 176129 73253 909414 820681 0 323561 3231596 7.00 2979327.34 COMPUTUS BESTUURSINLIGTING (EDMS) BPK MEGANISASIEKOSTE - 13 -

OPTIMAL TRACTOR REPLACEMENT JOHN DEERE 7820 MFWD 149 kw Optimal replacement takes place in the 6 th year (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) Year Inflation Interest Current value Repair Annual Annual Adapted Adapted Total Total Purchase Resale Replacement factor factor factor factor repair cost depreciation repair cost depreciation repair cost depreciation price value cost 10 2.5 (1) x (2) R R (3) x (5) (6) x (2) R R R R R 1 1.100 0.976 1.073 0.015 17236 114905 18497 112103 18497 112103 1149052 871139 8040091 2 1.210 0.952 1.152 0.031 35046 114905 40362 109368 58859 221471 0 742925 5682106 3 1.331 0.929 1.236 0.042 47686 114905 58938 106701 117797 328172 0 658910 4588025 4 1.464 0.906 1.326 0.051 58372 114905 77425 104098 195222 432270 0 595616 4025006 5 1.611 0.884 1.423 0.059 68024 114905 96829 101559 292051 533830 0 544682 3741212 6 1.772 0.862 1.528 0.067 76642 114905 117079 99082 409130 632912 6 502061 3627045 7 1.949 0.841 1.639 0.074 84800 114905 139020 96666 548150 729578 0 465460 3631014 8 2.144 0.821 1.759 0.080 92384 114905 162535 94308 710685 823886 0 433440 3723703 9 2.358 0.801 1.888 0.087 99508 114905 187878 92008 898563 915894 0 405035 3888310 10 2.594 0.781 2.026 0.093 106517 114905 215828 89764 1114391 1005658 0 379562 4116746 6.00 3627045.10 JOHN DEERE 8430 MFWD 217 kw Optimal replacement takes place in the 8 th year (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) Year Inflation Interest Current value Repair Annual Annual Adapted Adapted Total Total Purchase Resale Replacement factor factor factor factor repair cost depreciation repair cost depreciation repair cost depreciation price value cost 10 2.5 (1) x (2) R R (3) x (5) (6) x (2) R R R R R 1 1.100 0.976 1.073 0.015 22831 152205 24501 148493 24501 148493 1522052 921459 20878529 2 1.210 0.952 1.152 0.031 46423 152205 53465 144871 77966 293364 0 772087 12593731 3 1.331 0.929 1.236 0.042 63165 152205 78070 141338 156036 434702 0 675071 9500150 4 1.464 0.906 1.326 0.051 77320 152205 102558 137890 258594 572592 0 602526 7960950 5 1.611 0.884 1.423 0.059 90105 152205 128261 134527 386855 707119 0 544539 7124390 6 1.772 0.862 1.528 0.067 101521 152205 155084 131246 541939 838365 0 496323 6676076 7 1.949 0.841 1.639 0.074 112327 152205 184148 128045 726088 966410 0 455169 6476473 8 2.144 0.821 1.759 0.080 122373 152205 215296 124922 941384 1091332 8 419378 6451454 9 2.358 0.801 1.888 0.087 131810 152205 248867 121875 1190250 1213207 0 387811 6559474 10 2.594 0.781 2.026 0.093 141094 152205 285889 118902 1476139 1332110 0 359665 6778375 8.00 6451454.04 COMPUTUS BESTUURSINLIGTING (EDMS) BPK MEGANISASIEKOSTE - 14 -

OPTIMAL TRACTOR REPLACEMENT JOHN DEERE 9420 MFDW 327 kw Optimal replacement takes place in the 10 th year (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) Year Inflation Interest Current value Repair Annual Annual Adapted Adapted Total Total Purchase Resale Replacement factor factor factor factor repair cost depreciation repair cost depreciation repair cost depreciation price value cost 10 2.5 (1) x (2) R R (3) x (5) (6) x (2) R R R R R 1 1.100 0.976 1.073 0.015 12032 80210 12912 78254 12912 78254 2161000 859314 50273983 2 1.210 0.952 1.152 0.031 24464 80210 28175 76345 41087 154599 0 692707 28006435 3 1.331 0.929 1.236 0.042 33287 80210 41142 74483 82229 229082 0 586600 20042479 4 1.464 0.906 1.326 0.051 40747 80210 54046 72666 136275 301748 0 508581 15949561 5 1.611 0.884 1.423 0.059 47484 80210 67592 70894 203867 372642 0 447183 13490809 6 1.772 0.862 1.528 0.067 53500 80210 81727 69165 285594 441807 0 396886 11885237 7 1.949 0.841 1.639 0.074 59195 80210 97044 67478 382638 509285 0 354574 10789161 8 2.144 0.821 1.759 0.080 64489 80210 113458 65832 496096 575117 0 318301 10025779 9 2.358 0.801 1.888 0.087 69462 80210 131149 64226 627245 639343 0 286765 9495415 10 2.594 0.781 2.026 0.093 74355 80210 150659 62660 777905 702003 10 259047 9139063 10.00 9139063 COMPUTUS BESTUURSINLIGTING (EDMS) BPK MEGANISASIEKOSTE - 15 -

SPREADING OF REPAIR COST As persentage of each year's list price Implement Hours in use YEARS per year 1 2 3 4 5 6 7 8 9 10 Total Tractors % van list price 1000 1.50 3.05 4.15 5.08 5.92 6.67 7.38 8.04 8.66 9.27 59.72 - Inflation adapted 1.50 3.36 5.02 6.76 8.67 10.74 13.07 15.67 18.56 21.86 105.21 Mould board ploughs 250 2.76 5.62 7.65 9.37 10.89 12.30 13.59 14.82 15.97 17.07 110.04 - Inflation adapted 2.76 6.18 9.26 12.47 15.94 19.81 24.08 28.88 34.23 40.25 193.86 Disc harrows 250 1.50 3.05 4.16 5.09 5.92 6.68 7.40 8.03 8.68 9.27 59.78 - Inflation adapted 1.50 3.36 5.03 6.77 8.67 10.76 13.11 15.65 18.61 21.86 105.31 Chisel plow 250 3.15 4.08 4.52 4.85 5.10 5.30 5.49 5.65 5.79 5.92 49.85 - Inflation adapted 3.15 4.49 5.47 6.46 7.47 8.54 9.73 11.01 12.41 13.96 82.67 Cultivators, field 250 3.79 4.92 5.45 5.84 6.14 6.39 6.61 6.81 6.97 7.14 60.06 - Inflation adapted 3.79 5.41 6.59 7.77 8.99 10.29 11.71 13.27 14.94 16.84 99.61 One toe ripper 300 2.52 3.28 3.63 3.89 4.09 4.25 4.40 4.53 4.65 4.75 39.99 - Inflation adapted 2.52 3.61 4.39 5.18 5.99 6.84 7.79 8.83 9.97 11.20 66.32 Rotary tiller 200 3.18 5.22 6.42 7.35 8.13 8.81 9.42 9.98 10.90 10.96 80.37 - Inflation adapted 3.18 5.74 7.77 9.78 11.90 14.19 16.69 19.45 23.37 25.84 137.91 Cultivators, row 250 3.98 6.52 8.02 9.18 10.16 11.01 11.77 12.46 13.11 13.70 99.91 - Inflation adapted 3.98 7.17 9.70 12.22 14.88 17.73 20.85 24.28 28.10 32.30 171.22 Rotevators 250 2.51 5.11 6.96 8.52 9.91 11.18 12.37 13.47 25.00 8.75 103.78 - Inflation adapted 2.51 5.62 8.42 11.34 14.51 18.01 21.91 26.25 53.59 20.63 182.79 Rippers 350 5.36 6.96 7.72 8.26 8.69 9.05 9.35 9.63 9.87 10.10 84.99 - Inflation adapted 5.36 7.66 9.34 10.99 12.72 14.58 16.56 18.77 21.16 23.82 140.95 Stubble choppers 200 1.88 2.44 2.71 2.90 3.05 3.18 3.29 3.38 3.47 3.55 29.85 - Inflation adapted 1.88 2.68 3.28 3.86 4.47 5.12 5.83 6.59 7.44 8.37 49.51 Planters, rows, mnt 120 2.01 4.09 5.57 6.82 7.93 8.95 9.89 10.78 11.62 12.42 80.08 - Inflation adapted 2.01 4.50 6.74 9.08 11.61 14.41 17.52 21.01 24.91 29.29 141.07 Planters, row, trailed 150 2.01 4.08 5.56 6.81 7.92 8.94 9.88 10.76 11.60 12.41 79.97 - Inflation adapted 2.01 4.49 6.73 9.06 11.60 14.40 17.50 20.97 24.87 29.26 140.88 Planters, wheat 150 2.01 4.08 5.56 6.81 7.92 8.94 9.88 10.76 11.60 12.41 79.97 - Inflation adapted 2.01 4.49 6.73 9.06 11.60 14.40 17.50 20.97 24.87 29.26 140.88 Harvestor 200 1.26 2.55 3.48 4.26 4.95 5.59 6.18 6.73 7.26 7.76 50.02 - Inflation adapted 1.26 2.81 4.21 5.67 7.25 9.00 10.95 13.11 15.56 18.30 88.12 Harvestor, trailed 300 1.14 2.31 3.15 3.85 4.48 5.05 5.60 6.10 6.56 7.02 45.26 - Inflation adapted 1.14 2.54 3.81 5.12 6.56 8.13 9.92 11.89 14.06 16.55 79.73 COMPUTUS BESTUURSINLIGTING (EDMS) BPK: MEGANISASIEKOSTE - 16 -

SPREADING OF REPAIR COST Implement Hours in use YEARS per year 1 2 3 4 5 6 7 8 9 10 Total Combine harvester 300 0.70 1.42 1.94 2.37 2.76 3.11 3.44 3.75 4.04 4.32 27.85 - Inflation adapted 0.70 1.56 2.35 3.15 4.04 5.01 6.09 7.31 8.66 10.19 49.06 Mowers, disc cond 150 1.64 3.01 3.89 4.61 5.23 5.78 6.30 6.75 7.20 7.60 52.01 - Inflation adapted 1.64 3.31 4.71 6.14 7.66 9.31 11.16 13.15 15.43 17.92 90.43 Mowers, cutter bar 150 2.46 4.50 5.83 6.91 7.83 8.66 9.42 10.12 10.77 11.40 77.90 - Inflation adapted 2.46 4.95 7.05 9.20 11.46 13.95 16.69 19.72 23.09 26.88 135.45 Mowers, drum 200 1.90 3.47 4.49 5.32 6.03 6.67 7.25 7.79 8.29 8.77 59.98 - Inflation adapted 1.90 3.82 5.43 7.08 8.83 10.74 12.84 15.18 17.77 20.68 104.28 Harrows 200 7.57 9.82 10.89 11.66 12.26 12.77 13.20 13.58 13.93 14.24 119.92 - Inflation adapted 7.57 10.80 13.18 15.52 17.95 20.57 23.38 26.46 29.86 33.58 198.87 Balers 200 1.51 3.06 4.17 5.11 5.94 6.71 7.41 8.08 8.71 9.31 60.01 - Inflation adapted 1.51 3.37 5.05 6.80 8.70 10.81 13.13 15.75 18.67 21.95 105.72 Slasher 300 4.65 8.50 11.01 13.04 14.79 16.35 17.78 19.10 20.33 21.50 147.05 - Inflation adapted 4.65 9.35 13.32 17.36 21.65 26.33 31.50 37.22 43.58 50.70 255.66 Forage harvesters 200 2.00 4.07 5.54 6.79 7.90 8.91 9.85 10.73 11.57 12.37 79.73 - Inflation adapted 2.00 4.48 6.70 9.04 11.57 14.35 17.45 20.91 24.80 29.17 140.46 Fertilizer spreaders 150 7.42 9.63 10.68 11.43 12.03 12.52 12.95 13.32 25.00 15.00 129.98 - Inflation adapted 7.42 10.59 12.92 15.21 17.61 20.16 22.94 25.96 53.59 35.37 221.78 Sprayers, boom 150 3.15 4.10 4.54 4.86 5.11 5.32 5.50 5.66 5.80 5.93 49.97 - Inflation adapted 3.15 4.51 5.49 6.47 7.48 8.57 9.74 11.03 12.43 13.98 82.86 Sprayers, air carrier 150 2.00 3.26 4.01 4.60 5.08 5.50 5.88 6.23 6.55 6.85 49.96 - Inflation adapted 2.00 3.59 4.85 6.12 7.44 8.86 10.42 12.14 14.04 16.15 85.61 Bean puller 200 3.16 4.10 4.55 4.87 5.12 5.33 5.51 5.67 5.82 5.95 50.08 - Inflation adapted 3.16 4.51 5.51 6.48 7.50 8.58 9.76 11.05 12.48 14.03 83.05 Potato lifters 200 1.51 3.06 4.17 5.11 5.94 6.71 7.41 8.08 8.71 9.31 60.01 - Inflation adapted 1.51 3.37 5.05 6.80 8.70 10.81 13.13 15.75 18.67 21.95 105.72 Trailer 500 1.09 1.41 1.57 1.67 1.77 1.83 1.90 1.96 2.00 2.05 17.25 - Inflation adapted 1.09 1.55 1.90 2.22 2.59 2.95 3.37 3.82 4.29 4.83 28.61 Transfer trailer 250 1.00 1.61 2.00 2.29 2.53 2.74 2.93 3.11 3.26 3.40 24.87 - Inflation adapted 1.00 1.77 2.42 3.05 3.70 4.41 5.19 6.06 6.99 8.02 42.61 Source: Institute for Agricultural Engineering COMPUTUS BESTUURSINLIGTING (EDMS) BPK: MEGANISASIEKOSTE - 17 -

TOTAL CULTIVATING COST PER CROP Cultivation Maize Sunflower Beans Soya's Potatoes Wheat Sorghum Peanuts Fodder (Annl) Fodder (Perennial) Plough Tine Plough Tine Plough Tine Establish Production R/ha R/ha R/ha R/ha R/ha R/ha R/ha R/ha R/ha R/ha R/ha R/ha R/ha R/ha Plough 288.38 288.38 288.38 288.38 288.38 288.38 288.38 288.38 288.38 Deep rip 361.83 361.83 Disk 253.89 253.89 253.89 253.89 253.89 253.89 253.89 253.89 253.89 253.89 253.89 253.89 Till 184.97 184.97 184.97 184.97 184.97 184.97 184.97 184.97 184.97 184.97 184.97 Till 184.97 184.97 184.97 184.97 Till 184.97 184.97 Chisel plough 177.78 177.78 177.78 177.78 Chisel plough 177.78 177.78 177.78 Chisel plough 177.78 Drill 465.36 465.36 465.36 465.36 465.36 465.36 465.36 465.36 Wheat plant 307.03 307.03 307.03 307.03 Spray 84.26 84.26 84.26 84.26 84.26 84.26 84.26 84.26 84.26 84.26 84.26 Spray 84.26 84.26 84.26 84.26 Wead cultivate 128.08 128.08 128.08 128.08 Fertilizer applicate 177.95 177.95 177.95 177.95 177.95 Spread 102.78 102.78 Mow 327.52 Harrow 87.22 Bale 297.29 Potatoes: - Planter 585.20 - Ridger 422.01 - Lifter 540.92 745.75 - Sort 645.24 TOTAL (Rand/ha) R 1,482 R 1,911 R 1,640 R 1,522 R 1,277 R 1,405 R 3,460 R 1,488 R 1,364 R 1,379 R 2,395 R 780 R 1,488 R 815 Self harvest: (Rand/ha) - Trail harvester R 412.68 R 412.68 R 412.68 R 412.68 - Combine harvester R 327.20 R 327.20 R 327.20 R 327.20 R 302.16 R 302.16 R 302.16 R 302.16 R 302.16 COMPUTUS BESTUURSINLIGTING (EDMS) BPK: MEGANISASIEKOSTE - 18 -