Sampe Company has the following data available Units Sold Transaction Beginning Inventory March 1 Purchase April 25 Sale June 10 Purchase July 20 Sale October 30 Purchase December 15 Sale Units Purchased 400 200 Unit Cost $10 $13 350 250 400 300 $14 350 $18 If Sampe Company uses a perpetual FIFO inventory system, the cost of goods sold for the year is O A. $13,950 O B. $12,600 O C. $10,000 O D. $12,350