Obj. 2, 3 EX 6-3 Perpetual inventory using FIFO Beginning inventory, purchases, and sales data for DVD players are as follows: November 1 Inventory 120 units at $39 10 Sale 90 units 15 Purchase 140 units at s4o 20Sale 24 30 Purchase 45 units 160 units at $43 Sale The business maintains a perpetual inventory system, costing by the first-in, first-out method. A. Determine the cost of goods sold for each sale and the inventory balance after each sale, presenting the data in the form illustrated in Exhibit 3. B. Based upon the preceding data, would you expect the inventory to be higher or lower using the last-in, first-out method