Please explain.

This is the only information I was given to answer this question. Please try to find a new method, and please let me know which one you were able to use.

Roswell Inc has 6,800 machine hours available each month. The following information on the company's three products is available: Product Product Product 2 3 1 Contribution margin per unit Machine hours per unit $ 22.00 $ 39.00 $ 14.50 3.00 2.00 1.00 If market demand exceeds the available capacity, in what sequence should orders be filled to maximize the company's profits? Multiple Choice Product 3 first, product 2 second, and product 1 third. Product 3 first, product 1 second, and product 2 third. Product 1 first, product 2 second, and product 3 third. Product 2 first, product 3 second, and product 1 third