what will be the answer for f?

Kingbird 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 3,100 2/4 Purchase 4,100 2/20 Sale 4,600 4/2 Purchase 11/4 Sale 4,300 5,100 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 (1) Perpetual system, moving average cost flow