AAA Co. uses a periodic inventory system and has the following information in regard to its inventory:

Beginning inventory	300 units @ 20	$6,000
Purchase on January 25	400 units @ 21	8,400
Purchase on March 15	300 units @ 22	6,600
Purchase on October 2	500 units @ 23	11,500
Goods available for sale		$32,500

There are 700 units in ending inventory. What is the amount of the ending inventory using the FIFO method?

A.$6,000

B.$11,500

C$14,400

D.$15,900