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 2,980 2/4 Purchase 2/20 Sale 4/2 Purchase 7/17 Purchase 11/4 Sale $14 3,980 4,480 4,980 2,100 4,180 28 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