Which of the Following Is NOT a Reason Incentive Mechanisms

Which of the following is NOT a reason incentive mechanisms are used in an organization?

A) Principals who own the firm have an incentive to shirk.
B) Agents seek to maximize their own utilities.
C) Workers at every level of an organization,including CEOs,are principals.
D) Incentive mechanisms work by better aligning the interest of workers with the firm's profit-maximizing goals.
E) Tournaments induce relatively high-effort levels.