Which of the Following Statements Is Correct with Regard to the Conflict

Which of the following statements is correct with regard to the conflict of interest idea in business?

A) Conflicts of interest exist only in peoples' minds.
B) A conflict of interest occurs when an activity benefits an individual at the expense of the employer.
C) A conflict of interest occurs when employees of equal rank have a disagreement.
D) A conflict of interest occurs when a boss and a subordinate have a disagreement.
E) All of the statements are correct.