Parodic Inventory Using FIFO, SIFO, and weighted Average Cast Methods The units of an nem available for sale during the year were as follows Ja Aug. 2 Inventory Purchase Dec 11 Purchase 13 units at $5,000 $65,000 18 units $5,200 91,000 15 units at $5,300 46 units 79,500 $238,100 There are 16 units of the them in the phyacal inventary at December 31. The periodic inventory system is used. Determine the inventary cost using (a) the first-in, first-out (FIFO) method; (b) the last-in, first-out (LIF) method; and (c) the weighted average cost method (Round per unit cost to two decimal places and your final answer to the nearest whole dallar). a First-in, first-out (FIFO) D. Last in, first-out (LIFO) c Weighted average cost