Perpetual Inventory Using UFO Beginning inventory, purchases, and sales data for DVD players are as follows: November 1 120 units at $39 Inventory Sale 10 90 units 140 units at $40 15 Purchase 20 Sale 110 units 24 Sale 45 units 30 Purchase 160 units at $43 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,pesenting the data in the form ustrated 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