Periodic trventory Using FiFO, LFO, and Weighted Average Cost Mothods The units of an item avaliable for sale during the year were as follows: There are 15 units of the item in the physical laventacy at December 31. The peniodic inventery srifem is used. Determine the inveneory cout using (a) the first-in, first-out (FIFO) method; (b) the last-iry, fist-out (UFO) method; and (C) the netiphited arerape cont mithod (Rounid per unit cost to two decimal places and your final answer to the nearest whole dollar)