Which of the Following Is NOT a True Consequence of Reward

Which of the following is NOT a true consequence of reward and coercive power?

A) When coercive power is exerted, other bases of power are frequently increased or enhanced.
B) Coercive power decreases the attractiveness of the influencing agent whereas reward increases the attractiveness.
C) When a reward is given it is sign that the power has been exercised effectively, when punishment is given it is a sign that the power has been exercised ineffectively.
D) When coercive power is exercised, we must be prepared to incur the costs of anger and hostility, but with reward power, we are contented and happy.