Vaughn Company is a multiproduct firm. Presented below is information concerning one of its products, the Hawkeye. Quantity Price/Cost Date Transaction 1/1 Beginning inventory 2.500 $17 2/4 Purchase 3,500 25 2/20 Sale 4,000 41 4/2 Purchase 4,500) 32 11/4 Sale 3,700. 46 Compute cost of goods sold, assuming Vaughn 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, average-cost flow $ (f) Perpetual system, moving-average cost flow $