FIFO and LIFO Costs Under Perpetual Inventory System

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

Beginning inventory	23 units at $40
Sale	18 units at $60
First purchase	28 units at $41
Sale	16 units at $61
Second purchase	30 units at $42
Sale	28 units at $63

The firm uses the perpetual inventory system, and there are 19 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?

$