Periodie Inventory Using FIFO, LIFO, and Weighted Average Cost Methods The units of an item avallable for sale during the year were as follows: 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, firstout (FIFO) method; (b) the last-in, first-out (UFO) 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)