Whispering Company is a multiproduct firm. Presented below is information concerning one of its products, the Hawkeye. $16 Date Transaction 1/1 Beginning inventory 2/4 Purchase 2/20 Sale 4/2 Purchase 11/4 Sale Quantity Price/Cost 2,100 3,100 3,600 4,100 3,300 (0) Compute cost of goods sold, assuming Whispering uses: (Round average cost per unit to 4 decimal places, e.g. 2.763 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 $