SITUW ME HOW Calculator Print item 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 10 units at $49 $490 Aug. 13 Purchase 20 units at $52 1,040 Nov. 30 Purchase 20 units at $53 1,060 Available for sale 50 units $2,590 There are 15 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) tast-in, first-out (LFO) method; and (c) weighted average cost method (round per unit cost to two decimal places and your final answer to the nearest whole dollar). a. First in, first-out (FIFO) b. Last-In, nirst-out (uro) Weighted average cost II C