FIFO and LIFO Costs Under Perpetual Inventory System

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

Beginning inventory

Sale

First purchase

Sale

Second purchase

Sale

$49$ units at $$40$

$45$ units at $$62$

$16$ units at $$42$

$13$ units at $$63$

$30$ units at $$44$

$15$ units at $$65$

The firm uses the perpetual inventory system, and there are $22$ units of the item on hand 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?