5. The DuPont identity can be used to help a financial manager determine the:
I. degree of financial leverage used by a firm.
II. operating efficiency of a firm.
III. utilization rate of a firm's assets.
IV. rate of return on a firm's assets.
(A) II and III only
(B) I and III only
(C) II, III, and IV only
(D) I, II, III, and IV