Perpetual Inventory Using UFO Beginning inventory, purchases, and sales data for portable game players are as follows: 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 inventery balance atter each sale, presenting the data in the form illustrated in Exhibre 4. Under UPF, if units are in iaventery at two different costs, enter the units with the HICatER unit cost first in the Cost of Merchandise Sold Unit Cost column and LOWER Unit cost first in the Inventory Unit Cost column. 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 LFO, if units are in irventory at two different costs, enter the units with the HIGHER ynit cost first in the Cost of Merchandise Sold Unit Cost colUmn and LOWER unit cost firtt in the Inventory Unit Cost colume