Exercise 8-15 The board of directors of Pearl Corporation is considering whether or not it should instruct the accounting department to shift from a first-in, first-out (FIFO) basis of pricing inventories to a last-in, first-out (LIFO) basis. The following information is available. Sales Inventory, January 1 Purchases 22,000 units @ $53 5,600 units 21 6,000 units @ 23 10,800 units 27 6,500 units 32 6,900 units? Inventory, December 31 Operating expenses $212,000