Perpetual Inventory Using FIFO Beginning inventory, purchases, and sales for Item ER27 are as follows: Assuming a perpetual inventory system and using the first-in, first-out (FIFO) method, determine (a) the cost of merchandise sold on January 25 and (b) the inventory on January 31. Perpetual Inventory Using FIFO Beginning inventory, purchases, and sales data for portable game players are as follows: The business maintains a perpetual inventory system, costing by the first-in, first-out method. a. Determine the cost of the merchandise sold for each sale and the inventory balance after each sale, presenting the data in the form iliustrated in Exhibit 3. Under FIFO, if units are in inventory at two different costs, enter the units with the LOWER unit cost first in the Cost of Merchandise Sold Unit Cost column and in the Inventory Unit Cost column. Perpetual Inventory Account First-in, First-out Method Portable Game Players