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 is correct.