FIFO and LIFO Costs Under Perpetual Inventory System

The following units of a particular item were available for sale during the year:

Beginning inventory	42 units @ $47
Sale	15 units @ $73
First purchase	18 units @ $50
Sale	27 units @ $73
Second purchase	24 units @ $52
Sale	9 units @ $74

The firm uses the perpetual inventory system, and there are 33 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? $