No. 2 Dan Tire has the following inventory records for the month ending July 31, 2011:

Units Unit Cost

Beginning Inventory 100 $18.00

Purchased July 10 400 $15.00

Purchased July 18 300 $17.00

Purchased July28 200 $16.00

Dan Tire sold 140 tires on July 11 and 300 tires on July 27. Compute the ending inventory and the cost of goods sold under the periodic inventory system using the three methods listed below.

FIFO,

LIFO,

Weighted-average