Ehlo Company is a multiproduct firm. Presented below is information concerning one of its products, the Hawkeye. Dat Transaction Quantit Price/Cos t e 1/1 3,980 $18 Beginning inventory Purchase 4,000 21 2/4 2/20 Sale 4,500 Purchase 5,250 23 4/2 7/17 Purchase 3,100 25 11/4 Sale 6,300 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 $ $ $ $1