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 $40 $400 Aug. 13 Purchase 5 units at $41 205 Nov. 30 Purchase 19 units at $43 817 Available for sale 34 units $1.422 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 the (a) first in, first- out (IFC) method; (b) tast-in, first-out (UF) method; and (c) weighted average cost method (round per unit cost to two decimal places and your final answer to the nearest whole dolar). 602 First in, first-out (FIFO) b. Last-in, fiest-out (LIFO) Weighted average cost X