Concord uses the periodic inventory system. For the current month, the beginning inventory consisted of 7100 units that cost $11 each. During the month, the company made two purchases: 2900 units at $12 each and 12100 units at $12.5 each. Concord also sold 12900 units during the month. Using the FIFO method, what is the ending inventory?

a. $109943.

b. $115000.

c. $103300.

d. $101200.