A company can sell all the units it can produce of either Product A or Product B but not both. Product A has a unit contribution margin of $32 and takes two machine hours to make and Product B has a unit contribution margin of $60 and takes three machine hours to make. If there are 1,000 machine hours available to manufacture a product, income will be

A: the same if either product is made.
B:$4,000 more if Product A is made.
C:$4,000 less if Product B is made.
D: $4,000 less if Product A is made