The freshmen class officers at Interlake High School ordered 1,200 fruit bars to sell as a fundraising project. They paid $0.30 per bar at the time the order was placed. They plan to sell the fruit bars at school games and concerts for $0.75 apiece. No returns of unsold bars are possible. a. If the freshman class sells 100 of the fruit bars, what is their profit? b. How many bars does the freshmen class need to sell to “break-even” (make a profit of $0)? c. Write an expression that shows how the project profit depends on the number of bars sold.