Date Transaction Quanitiy Price/Cost 1/1 Beg. Inventory 1,000 $12 2/4 Purchase 2,000 18 2/20 Sale 2,500 30 4/2 Purchase 3,000 23 11/4 Sale 2,200 33 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, Weighted-average cost flow