Samson Company had the following balances and transactions during 2015. (Please provide and explanation)

January 1 Beginning inventory: 20 units at $70 each

March 10 Purchased 10 units at $80 each

June 10 Sold 23 units for $100 each

8) What would Samson Companys inventory amount be on December 31, 2015 if the FIFO method was used?

A) $490

B) $510

C) $525

D) $560