FIFO and LIFO Costs Under Perpetual Inventory System The following units of an item were available for sale during the year: Beginning inventory 22 units @ $46 Sale 19 units @ $71 First purchase 39 units @ $49 Sale 22 units @ $72 Second purchase 28 units @ $51 Sale 25 units @ $72 The firm uses the perpetual inventory system, and there are 23 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? $fill in the blank 1 b. What is the total cost of the ending inventory according to LIFO?