Which of the Following Is the Primary Benefit of MBO

Which of the following is the primary benefit of MBO?

A) MBO is an effective method for determining the relationship between an employee's goals and the goals of supervisors and subordinates.
B) Feedback provided by customers who participate in an MBO program enhances a firm's marketing efforts.
C) Implementing an MBO program requires very little time and provides extensive employee motivation.
D) MBO is an informal yet highly effective technique of documenting a firm's long-term goals and objectives.
E) An MBO program encourages employee participation during department meetings and company conferences.