Perpetual inventory using LIFO Beginning inventory, purchases, and sales data for DVD players are as follows: The business maintains a perpetual inventory system, costing by the last-in, first-out method. Determine the cost of goods sold for each sale and the inventory balance after each sale, presenting the data in the form iliustrated 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 Goods Sold Unit Cost column and towER unit cost first in the Inventory Unit Cost column. The business maintains a perpetual inventory system, costing by the last-in, first-out method. Determine the cost of goods sold for esch sale and the inventory balance after each sale, presenting the data in the form iliustrated in Exibit 4. Under uro, if units are in inventory at two different costs, enter the units with the HIGHER unit cost first in the Cost of Goods Sold Unit Cost column and LOWER unit cost first in the thwentory Unit Cost column