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 1.70. What would your portfolie's new beta be? Do not round intermediate calculations. Round your answer to two decimal places. (3) Stock R has a beta of 1.5,5 tock 5 has a beta of 0.95, the required retum on an average stock is 11%, and the risk-free rate of return is 6%. By how much-does the required return on the riskier stock exceed the required return on the less risky stock? Round your answer to two decimal places