Per the Fraud Examiners Manual, engagement letters or retainer agreement are beneficial for various reasons. Which of the following is NOT one of those reasons? A. engagement letters maximize a fraud examiner's protection in the event of a client dispute or misunderstanding. B. engagement letters can make disputes between the fraud examiner and the client easier to resolve. C. engagement letters maximize the professional fees the fraud is able to collect. D. engagement letters help manage client expectations by making the assignment's objectives clear