Periodic Inventory Using FIEO, FO, and weighted Average Cost Methods CHOWY The units of an item available for sale during the year were as follows: Jan 1 Inventory Purchase Purchase July 7 5 units at $40 7 units at $41 6 units at $43 $200 287 Nov. 23 258 18 units $745 There are 7 units of the item in the physical inventory at December 31. The periodic Inventory system is used. Determine the inventory cost using (a) the first in, fest-out (FIFO) method: (b) the last in, first-out (LIFO) method; and (c) the weighted average cost method (round per unit cost to two decimal places and your final answer to the nearest whole dollar). a Fistin, first-out (10) Last-In, first-out (LIFOS b. Weighted average cost