You manage a risky portfolio with an expected rate of return of 17% and a standard deviation of 37%. The T-bill rate is 5%. Your client's degree of risk aversion is A = 2.1, assuming a utility function U = E(1) - 12 Ao?. a. What proportion, y, of the total investment should be invested in your fund? (Do not round intermediate calculations. Round your answer to 2 decimal places.) Answer is complete but not entirely correct. Investment proportion y 25.39 % % b. What is the expected value and standard deviation of the rate of return on your client's optimized portfolio? (Do not round intermediate calculations. Round your answers to 2 decimal places.) Answer is complete but not entirely correct. Expected return Standard deviation 8.79 X % 9.65 %