Business and finance: How much of each product should be produced given there are 100 hours of available?

Business and finance: How much of each product should be produced given there are 100 hours of available?

Product A has a contribution margin per unit of $500 and required 2 hours of machine time. Product B has a contribution margin per unit of $1,000 and requires 5 hours of machine time. How much of each product should be produced given there are 100 hours of available machine time?

50 units of A and 25 units of B

25 units of B

50 units of A

none of the above