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8-9 REQUIRED RATE OF RETURN Stock R has a beta of 2.0 , Stock S has a beta of 0.45 , the required return on an average stock is 10%, and the risk-free rate of return is 5%. By how much does the required return on the riskier stock exceed the required return on the less risky stock? 8-11 CAPM AND REQUIRED RETURN Calculate the required rate of return for Mudd Enterprises assuming that investors expect a 3.6% rate of inflation in the future. The real risk-free rate is 1.0%, and the market risk premium is 6.0%. Mudd has a beta of 1.5 , and its realized rate of return has averaged 8.5% over the past 5 years