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?
a) 50 units of A and 25 units of B.
b) 25 units of B.
c) 50 units of A.
d) None of the above is correct.