FIFO and LIFO Costs Under Perpetual Inventory System The following units of an item were avallable for sale during the year: Beginning Inventory 44 units at $42 Sale 31 units at $65 First purchase 16 units at $43 Sale 10 units at $65 Second purchase 10 units at $45 Sale 12 units at $66 The firm uses the perpetual Inventory system, and there are 17 units of the item on hand at the end of e year, a. What is the total cost of the ending inventory according to FIFO? 765 X b. What is the total cost of the ending inventory according to LIFO? 894 X