Explorer Company manufactures two products, hard-tops and covers for its convertible vehicles. Data for each follows:

Hard-top Covers

Direct labor hours required per unit 4 8 Contribution margin per unit $240 $390

Only 4,200 direct labor hours are available per month. How many units of each product should Explorer make in order to maximize profits?

Hard-tops Covers

4,200 400

1,050 0

1,050 250

0 250