Perpetual Inventory Using LIFO Beginning inventory, purchases, and sales data for DVD players are as follo November 1 Inventory 37 units at $79 1 10 Sale 25 units 15 Purchase 50 units at $84 20 Sale 28 units 24 Sale 8 units 30 Purchase 36 units at $87 The business maintains a perpetual inventory system, costing by the last-in Schedule of Cost of Goods Sold LIFO Method DVD Players Purchases Quantity Purchased Date Purchases Total Cost Quantity Sold Cost of Goods Sold Unit Cost Cost of Goods Sold Total Cost Inventory Quantity Inventory Total Cost Inventory Unit Cost Unit Cost , 37 $ 79 $ 2,923 1 Nov. 25 948 79 $ 79 1.975 12 10 Nov. 79 948 50 84 $ 12 4,200 15 50 84 4,200 Nov. 28 948 84 79 2,352 12