?FIFO and LIFO costs under perpetual inventory system

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

Beginning inventory

$21$ ?units at $$41$

Sale

First purchase

$8$ ?units at $$59$

Sale

$35$ ?units at $$43$

Second purchase

$26$ ?units at $$60$

Sale

$30$ ?units at $$44$

$26$ ?units at $$61$

The firm uses the perpetual inventory system, and there are $26$ ?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?

$