At a minimum, which of the following would you need to know to estimate the amount of additional reward you will receive for purchasing a risky asset instead of a risk-free asset?
I. asset's standard deviation
II. asset's beta
III. risk-free rate of return
IV. market risk premium
A. I and III only
B. II and IV only
C. III and IV only
D. I, III, and IV only
E. I, II, III, and IV