23) 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