What Should a Firm Faced with a Production Constraint Do

Multiple Choice

What should a firm faced with a production constraint do to maximize total contribution margin?

A) Promote those products having the highest unit contribution margins.
B) Promote those products having the highest contribution margin ratios.
C) Promote those products having the highest contribution margin per unit of constrained resource.
D) Promote those products having the highest contribution margins and contribution margin ratios.