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Suppose you held a diversified portfolio consisting of a $7,500 investment in each of 20 different common stocks. The portfolio's beta is 1.25. 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 2.20. What would your portfolio's new beta be? Do not round intermediate calculations. Round your answer to two decimal places. HR Industries (MRI) has a beta of 1.1; LR Industries's (LRT) beta is 0.5. The risk-free rate is 6%, and the required rate of return on an average stock is 13%. The expected rate of inflation built into falls by 1.5 percentage points, the real risk-free rate remains constant, the required return on the market falls to 10.5%, and all betas remain constant. After all of these changes, what will be the difference in the required returns for HRI and LRI? Do not round intermediate calculations. Round your answer to two decimal places. % You have been managing a $5 million portfolio that has a beta of 0.85 and a required rate of return of 9.525%. The current risk-free rate is 4%. Assume that you receive another $500,000. If you invest the money in a stock with a beta of 1.15, what will be the required return on your $5.5 million portfolio? Do not round intermediate calculations. Round your answer to two decimal places. A mutual fund manager has a $20 million portfolio with a beta of 1.8. The risk-free rate is 4.5%, and the market risk premium is 5%. The manager expects to receive an additional $5 million, which she plans to invest in a number of stocks. After investing the additional funds, she wants the fund's required return to be 12%. What should be the average beta of the new stocks added to the portfolio? Negative value, if any, should be indicated by a minus sign. Do not round intermediate calculations. Round your answer to one decimal place