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 12 units at $5,400 $64,800
Aug. 7 Purchase 18 units at $6,000 108,000
Dec. 11 Purchase 15 units at $6,480 97,200

Available for sale 45 units $270,000

There are 14 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.

a. First-in, first-out (FIFO) method $

b. Last-in, first-out (LIFO) method $

c. Weighted average cost method $