The July 2003 inventory records of Mario s Bookstore showed the following:

July 1 Beginning inventory

28,000

at $2.00 = $56,000

5 Sold

4,000

13 Purchased

6,000

at $2.25 = 13,500

17 Sold

3,000

25 Purchased

8,000

at $2.50 = 20,000

27 Sold.

5,000

$89,500

1. Using the perpetual inventory method, compute the ending inventory and cost of goods sold balances with (a) FIFO, (b) LIFO, and (c) average cost. Compute unit costs to the nearest cent.

2. Which of the three alternatives is best? Why?