When Kenyatta, a Manager in a Department Store, Tells Her

When Kenyatta, a manager in a department store, tells her staff to do something and refers to the fact that she is the boss and therefore they must do as asked, she is trying to use which type of power to influence the other person's behavior?

A) Personal power
B) Reward power
C) Legitimate power
D) Coercive power
E) Process power