The expected rate of return on the market portfolio is 11.25% and the risk–free rate of return is 2.50%. The standard deviation of the market portfolio is 19.75%. What is the representative investor’s average degree of risk aversion? 2. Stock A has a beta of 1.35 and a standard deviation of return of 36%. Stock B has a beta of 4.50 and a standard deviation of return of 75%. Assume that you form a portfolio that is 60% invested in Stock A and 40% invested in Stock B. Using the information in question 1, according to CAPM, what is the expected rate of return on your portfolio? 3. Using the information in questions 1 and 2, what is your best estimate of the correlation between stocks A and B?