You manage a risky portfolio with an expected rate of return of 17% and a standard deviation of 28%. The T-bill rate is 7%. Your client's degree of risk aversion is A = 2.0. Required: a. What proportion, y, of the total investment should be invested in your fund? b. What are the expected value and standard deviation of the rate of return on your client's optimized portfolio? Complete this question by entering your answers in the tabs below. Required A Required B What are the expected value and standard deviation of the rate of return on your client's optimized portfolio? Note: Do not round intermediate calculations. Round your answers to 2 decimal places. Expected return Standard deviation % %