Problem 6-9A

Problem 6-9A 

Farman Appliance Mart began operations on May 1. It uses a perpetual inventory system. During May, the company had the following purchases and sales for its Model 25 Sureshot camera.

Purchases 
Date Units Unit Cost Sales Units 
May 1 210 $153 
May 4 120 
May 8 240 $173 
May 12 150 
May 15 180 $188 
May 20 90 
May 25 120 


(a1) 
Your answer is correct. 
Calculate the average cost per unit at May 1, 4, 8, 12, 15, 20 & 25. (Round answers to 3 decimal places, e.g. $105.252.)
Average cost for each unit 
May 1 $ 153

May 4 $ 153

May 8 $ 167.545

May 12 $ 167.545

May 15 $ 177.772

May 20 $ 177.772

May 25 $ 177.772

Please answer the question below: 
(a2) 
Determine the ending inventory under a perpetual inventory system using (1) FIFO, (2) moving-average cost, and (3) LIFO. (Round answers to 0 decimal places, e.g. $2,150.)

The ending inventory under a perpetual inventory system $ $ $ 
1) FIFO 

2)MOVING-AVERAGE 

3)LIFO 

Please answer the a2 question.
Thanks!