nu nem FIFO and LIFO Costs Under Perpetual Inventory System The following units of an item were available for sale during the year: Beginning inventory 49 units at $45 Sale 45 units at $65 First purchase 36 units at $46 Sale 33 units at $65 Second purchase 12 units at $48 Sale 10 units at $65 The firm uses the perpetual inventory system, and there are 9 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?