Periodic Inventory Using FIFO, LIFO, and Weighted Average Cost Methode The units of an item available for sale during the year were as follows Jan. 1 Aug. 13 Nov. 30 Inventory Purchase Purchase 30 units at $460 330 units at $437 $13,000 144,210 50 units at $456 Available for sale 410 units 22,000 $180,010 There are 73 units of the item in the physical inventory at December 31. The periodic inventory system is used. Determine the inventory cost using (e) the first-in, first-out (FIFO) method; (b) the last-in first-out (LIFO) method; and (c) the weighted average cast method First-in, first-out (FIFO) method b. Last-in, first-out (LIFO) method Weighted average cost method