Waterway Company is a multiproduct firm. Presented below is information concerning one of its products, the Hawkeye. Date Transaction Price/Cost 1/1 $18 Beginning inventory Purchase 2/4 26 Quantity 2,900 3,900 4,400 4,900 4,100 2/20 Sale 44 4/2 Purchase 34 11/4 Sale 48 Compute cost of goods sold, assuming Waterway uses: (Round average cost per unit to 4 decimal places, e.g. 2.7631 and final answers to O decimal places, e.g. 6,548.) Cost of goods sold (a) Periodic system, FIFO cost flow $ (b) Perpetual system, FIFO cost flow $ (c) Periodic system, LIFO cost flow $ (d ) Perpetual system, LIFO cost flow $ (e) Periodic system, weighted-average cost flow $ (f) Perpetual system, moving-average cost flow $