Answer:
b. conflict of interest
Explanation:
Conflict of interest is the situation which arises when a person or an organization starts to possess an interest in multiple things.. Such conflict arises primarily in the financial or economic background. Such type of conflict gives rise to a situation in which the individual or organization's interest may affect the duty of adversely. The decisions are made to benefit the third party. In the above situation, Derek is in the situation of conflict of interest.