Perpetual Inventory Using LIFO Beginning inventory, purchases, and sales data for portable game players are as follows: Apr. 1 Inventory 68 units @ $88 10 Sale 48 units 15 Purchase 88 units @ $93 20 Sale 50 units 24 Sale 12 units 30 Purchase 33 units @ $97 The business maintains a perpetual inventory system, costing by the last-in, first-out method. Determine the cost of merchandise sold for each sale and the inventory balance after each sale, presenting the data in the form illustrated in Exhibit 4. Under LIFO, if units are in inventory at two different costs, enter the units with the HIGHER unit cost first in the Cost of Merchandise Sold Unit Cost column and LOWER unit cost first in the Inventory Unit Cost column.