The Principle of "Complementary Slackness" Implies That

Multiple Choice

The principle of "complementary slackness" implies that:

A) if the reduced cost is not zero, than the value of the decision variable is zero.
B) if a decision variable is zero, then its reduced cost must be positive.
C) if a decision variable is zero, then its reduced cost must be non-zero.
D) if a decision variable is zero, then its reduced cost must be zero.