A Company Purchased 200 Units for $30 Each on January

A company purchased 200 units for $30 each on January 31.It purchased 220 units for $33 each on February 28.It sold a total of 350 units for $45 each from March 1 through December 31.What is the cost of ending inventory on December 31 if the company uses the first-in,first-out (FIFO) inventory costing method? (Assume that the company uses a perpetual inventory system.)

A) $2,310
B) $300
C) $2,100
D) $1,800