Calculate the required rate of return for Climax Inc., assuming that (1) investors expect a 2.3% rate of inflation in the future, (2) the real risk-free rate is 3.5%, (3) the market risk premium is 5.0%, (4) the firm has a beta of 2, and (5) its realized rate of return has averaged 13.0% over the last 5 years. Do not round your intermediate calculations. Group of answer choices 16.91% 17.76% 18.87% 18.50% 15.8%