Calculating Ending Inventory and Cost of Goods Sold Under FIFO, LIFO, and Average Cost – Star Company uses a periodic inventory system. At the end of the annual accounting period, December 31, 2012, the accounting records provided the following information for product 1:

Units

Unit Cost

Inventory, December 31, 2011

2,000

$5

For the year 2012:

Purchase, March 21

5,000

7

Purchase, August 1

3,000

8

Inventory, December 31, 2012

4,000

Required:

Compute ending inventory and cost of goods sold under FIFO, LIFO, and average cost inventory costing methods.