Salmone Company reported the following purchases and sales of its only product. Salmone uses a periodic inventory system. Determine the cost assigned to the ending inventory using FIFO.

Date	Activities	Units Acquired at Cost	Units Sold at Retail
May 1	Beginning inventory	180 units @ $10 = $1,800
May 5	Purchase	250 units @ $12 = $3,000
May 10	Sales		170 units @ $20
May 15	Purchase	130 units @ $13 = $1,690
May 24	Sales		120 units @ $21

A. 3370

B. 3250

C. 3600

D. 6490

E. 3120