Perpetual Inventory Using LIFO Beginning inventory, purchases, and sales data for DVD players are as follows: November 1 49 units at $100 Inventory Sale 10 39 units 15 Purchase 61 units at $104 20 Sale 35 units 24 Sale 9 units 30 Purchase 23 units at $110 The business maintains a perpetual inventory system, costing by the last-in, first-out method. etermine 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 Goods Sold Unit Cost column and LOWER unit cost first in the Inventory Unit Cost column. Schedule of Cost of Goods Sold LIFO Method DVD Players Date Quantity Purchased Purchases Unit Cost Purchases Total Cost Quantity Sold Cost of Goods Sold Unit Cost Cost of Goods Sold Total Cost Inventory Quantity Inventory Unit Cost Inventory Total Cost Nov. 1 Nov. 10 Nov. 15 Nov. 20 Nov. 24 Nov. 30 U o Nov. 30 Balances