TABLE 3.--Average Capital Invested in Citrus Picking and Hauling Equipment, 22 Firms, 1956-57a Average per firm Average per 1,q00 Percent of Class boxes handled0 total Cost Book Cost Book Cost Book value vclue value Land and buildings $ 14,401 $10,414 $ 17.26 $12.48 10.6 15.8 Autos, trucks, trailers 98,051 37,363 131.37 50.06 71.9 56.9 Boxes, ladders, field equip. 21,135 16,406 26.15 20.30 15.5 25.0 Office equipment 2,744 1,494 3.91 2.13 2.0 2.3 Total $136,331 $65,677 $178.69 $84.97 100.0 100.0 aValue of some assets not always completely obtained. Land and buildings and office equipment were frequently included in packinghouse assets for fresh fruit packers. Boxes and ladders were often not carried on the books as an asset. bLargest volume handled, either picking or hauling. Average volume per firm 746,357 boxes. handled. Of this 15.8 percent was in land and buildings, 56.9 percent in automotive equipment, 25.0 percent in boxes, ladders, loaders and other miscellaneous equipment, and 2.3 percent was in office furniture and equipment. The original cost of the total investment averaged $136,331 per firm and was about 52 percent depreciated. On the basis of book value, the total investment per 1,000 boxes was slightly higher for the packers than for dealers. The packers had more investment in each class of asset except office equipment. However, their records often did not separate land and buildings or office furniture from the packinghouse assets, and the averages for these classes were determined from the firms having separations. None of the costs in Table 1 and 2 includes interest on capital invested in picking and hauling equipment. Interest paid by the firms for the use of borrowed capital is