The following units of an item were available for sale during the year: Beginning inventory 24 units @ $41 Sale 17 units @ $62 First purchase 38 units @ $42 Sale 21 units @ $63 Second purchase 28 units @ $44 Sale 25 units @ $63 The firm uses the perpetual inventory system, and there are 27 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