Which of the following most clearly involves a decision program?

A) A medical ethics committee
B) A task force to improve company image
C) A standing order to a supplier
D) A billion dollar investment decision
E) A corporate merger

A decision program refers to a set of established procedures or instructions that guide decision-making in routine situations. A standing order to a supplier is a clear example of this, as it involves a predefined action to be taken under specific circumstances, without the need for further deliberation each time the situation arises.