Don makes portable hard-drives that he sells for $81 each. The variable costs per drive are $33 and the fixed costs per week are $1200.

a. Calculate the number of drives he needs to sell per week to break even.

b. What net income will he make in a week in which he sells 35 drives?

c. If he wants to make a profit of $960 in a week, how many drives must he sell?

AppendixLO1