Calculate the required rate of return for Everest Expeditions Inc., assuming that (1) investors expect a 4.0% rate of inflation in the future, (2) the real risk-free rate is 3.0%, (3) the market risk premium is 5.0%, (4) the firm has a beta of 1.00, and (5) its realized rate of return has averaged 15.0% over the last 5 years. a. 10.29% b. 10.83% c. 11.40% d. 12.00% e. 12.60%