l need answer

Pella has the following inventory information March 1 Beginning Inventory 50 units at $19 $ 950 7 175 units at Purchases 3,500 $20 25 units at 22 $22 Purchases 550 $5,000 A physical count of merchandise inventory on March 31 reveals that there are 75 units on hand. Using the FIFO inventory method and under periodic system, the amount allocated to cost of goods sold for March is a. $3,450, b. $1,550 c. $1,450 . d. $3,550