Assume that you manage a risky portfolio with an expected rate of return of 17% and a standard deviation of 33%. The T-bill rate is 7%. Your risky portfolio includes the following investments in the given proportions: Stock A Stock B Stock C 30% 35% 35% Your client decides to invest in your risky portfolio a proportion of his total investment budget with the remainder in a T-bill money market fund so that his overall portfolio will have an expected rate of return of 16%. a. What is the proportion y? (Round your answer to 3 decimal places.) Proportion y b. What are your client's investment proportions in your three stocks and the T-bill fund? (Round your intermediate calculations and final answers to 2 decimal places.) Investment Proportions > Security T-Bills Stock A Stock B Stock C > c. What is the standard deviation of the rate of return on your client's portfolio? (Round your intermediate calculations and final answer to 2 decimal places.) Standard deviation % per year