eBook Calculator Perpetual Inventory Using UFO Beginning nventory, purchases, and sales data for DVD players are as follows: November 1 Inventory 36 units at $64 10 Sale 30 units 15 Purchase 45 units at $67 20 Sale 25 units 24 Sale 8 units 30 Purchase 28 units at $70 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 inventory balance after each sale, presenting the data in the form illustrated in Exhibit 4.