Fullleri Periodic Inventory Using FIFO, LIFO, and Weighted Average Cost Methods The units of an item available for sale during the year were as follows: Jan. 1 Inventory 9 units at $26 $234 Aug. 13 Purchase 14 units at $28 392 Nov. 30 Purchase 8 units at $29 232 Available for sale 31 units $858 There are 12 units of the item in the physical inventory at December 31. The periodic inventory system is used. Determine th first-in, first-out (FIFO) method; (b) last-in, first-out (LIFO) method; and (c) weighted average cost method (round per-unit your final answer to the nearest whole dollar). a. First-in, first-out (FIFO) $ b. A Last-in, first-out (LIFO) c. Weighted average cost