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 11 units at $32 $352 17 units at $33 561 Aug. 7 Purchase 13 units at $34 442 Dec. 11 Purchase 41 units $1,355 There are 19 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, first-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) First-in, first-out (FIFO) . Last-in, first-out (LIFO) b. Weighted average cost C. tA