Table 15. IRISH POTATOES: Costs and returns per acre in the Dade County area, 5-season average 1977-81 and 1981-82 1977-81 1981-82 Season average per Category Acre Acre Cwt. Yield (cwt.) 153 182 Total receipts........................... $1434.88 $2524.34 $13.870 Operating costs Seed.................. ................. 245.02 296.25 Fertilizer ............................. 112.04 172.19 Spray and dust......................... 115.29 183.05 Cultural labor.................. ....... 109.29 207.07 Machine hire ........................... 12.23 8.81 Gas, oil, grease......a................ 36.78 88.43 Repair and maintenance................. 56.58 111.96 Interest on production capital (17% 4 months)............. 28.97 71.23 Miscellaneous expense.................. 22.57 14.13 Total operating costs.................... 738.77 1153.12 6.336 Fixed costs Land rent.............................. 79.92 121.61 Depreciation........................... 39.57 101.50 Licenses and insurance................. 58.51 53.43 Interest on investment................. 6.61 14.38 Total fixed costs........................ 184.61 290.92 1.598 Harvesting and marketing costs Digging................................ 34.22 37.51 0.206 Grading and packing.................... 174.00 183.12 1.006 Containers.............................. 54.06 77.66 0.427 Hauling........... ..................... 32.22 16.98 0.093 Selling................................ 45.32 68.05 0.374 Total harvesting and marketing costs..... 339.82 383.32 2.106 Total costs.............................. 1263.20 1827.36 10.040 Net return............................... 171.68 696.98 3.830