Zurek Inc has 7,000 machine hours available each month. The following information on the company's three products is available:

............................................................Product 1 | Product 2 | Product 3

Contribution margin per unit.......................$16.60 |$19.60 |$9.10

Machine hours per unit................................3.00 |2.00 |1.00

The market demand is limited to 2,800 units of each of the three products. What is the maximum possible contribution margin that Zurek could make in any month?

A.$86,200.

B.$67,620.

C.$64,120.

D.$116,200.