CPP uses the periodic inventory system. During its first month of operations, CPP made the following purchases. 40 units @ 3/3 $100/unit 70 units @ 3/15 $80/unit 3/28 170 units @ $60/unit Sales for the month total 270 units @$200/unit, leaving 10 units on hand at the end of the month. What is the gross profit for March assuming CPP uses FIFO method? (Do not put $ in your answer)