Ehlo Company is a multiproduct firm. Presented below is information concerning one of its products, the Hawkeye. Date Transaction Quantity Price/Cost 1/1 Beginning inventory 3,980 $18 2/4 Purchase 4,000 21 2/20 Sale 4,750 4/2 Purchase 5,250 23 7/17 Purchase 3,100 25 11/4 Sale 6,200 Compute cost of goods sold, assuming Ehlo uses: 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 $ $