FIFO and LIFO Costs Under Perpetual Inventory System The following units of an item were avalable for sale during the year: Beginning inventory 27 units at $44 Sale 14 units at $62 First purchase 19 units at $46 Sale 10 units at $63 Second purchase 28 units at $47 Sale 22 units at 64 The firm uses the perpetual inventory system, and there are 28 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? b. What is the total cost of the ending inventory according to LIFO?