FIFO and LIFO Costs Under Perpetual Inventory System The following units of an item were available for sale during the year: Beginning inventory 26 units at $44 Sale 20 units at $68 First purchase 39 units at $46 Sale 35 units at $68 Second purchase Sale 25 units at $49 19 units at $69 The firm uses the perpetual inventory system, and there are 16 units of the item on hand at the end of the year. a. What is the total cost of the ending inventory according to FIFO? $ 784 b. What is the total cost of the ending inventory according to LIFO? $ X