Fontana Co. began operations on July 1. It uses a perpetual inventory system. During July the company had the following purchases and sales.

Date

Units

Units

Sales Units

July 1

5

5

July 6

4

July 11

7

$136

July 14

3

July 21

8

$147

July 27

6

Instructions

(a) Determine the ending inventory under a perpetual inventory system using (1) FIFO,

(2) moving average cost, and (3) LIFO.

(b) Which costing method produces the highest ending inventory valuation?