Which of the following statements is correct in relation to a stock investment? I. The capital gains yield can be positive, negative, or zero. II. The dividend yield can be positive, negative, or zero. III. The total return can be positive, negative, or zero. IV. Neither the dividend yield nor the total return can be negative.

A. I and II only

B. I and IV only

C. IV only

D. I and III only

E. I only