Johnson, Inc. had the following inventory data: Inventory item T25 had 1,600 units at a unit price of $14 in inventory on January 1. The first purchase during the year was for 1,000 units at $15. The second purchase was for 1,000 units at $18. The December 31 inventory consisted of 1,200 units. The market price is $15.

The total cost of the ending inventory using FIFO is

a. $16,800. 

b. $18,000.

c. $18,468.

d. $21,000.