Assume that the risk-free rate is 7% and the market risk premium is 5%. What is the required return for the overall stock market? Round your answer to two decimal places % What is the required rate of return on a stock with a beta of 1.2? Round your answer to two decimal places. % Suppose you held a diversified portfolio consisting of a $7,500 investment in each of 20 different common stocks. The portfolio's beta is 0.70. Now suppose you decided to sell one of the stocks in your portfolio with a beta of 1.0 for $7,500 and use the proceeds to buy another stock with a beta of 1.24. What would your portfolio's new beta be? Do not round intermediate calculations. Round your answer to two decimal places. Assume that the risk-free rate is 4% and the required return on the market is 13%. What is the required rate of return on a stock with a beta of 1.5? Round your answer to two decimal places. % Calculate the required rate of return for Mudd Enterprises assuming that investors expect a 4.5% rate of inflation in the future. The real risk-free rate is 3.0%, and the market risk premium is 3.5%. Mudd has a beta of 1.6, and its realized rate of return has averaged 10.5% over the past 5 years. Round your answer to two decimal places. %