Ahmed is responding to a situation that does not happen often. He talked with a colleague about how to resolve the issue. When a colleague suggested Ahmed change his tactical plan, he did not. Why wouldn't Ahmed change his tactical plan to resolve this situation?

a$.$ It was exclusively developed by the board of directors.

b$.$ A new business screen analysis would have been required.

c$.$ Performance could be improved with unrelated diversification.

d$.$ The organization would then have to change the mission.