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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 Aug. 13 Inventory Purchase Nov. 30 Purchase Available for sale 13 units at $27 $351 4 units at $29 116 9 units at $30 270 26 units $737 There are 16 units of the item in the physical inventory at December 31. The periodic inventory system is used. Determine the inventory cost using the (a) first-in, first- out (FIFO) method; (b) last-in, first-out (LIFO) method; and (c) weighted average cost method (round per-unit cost to two decimal places and your final answer to the nearest whole dollar).