Assume that you manage a risky portfolio with an expected rate of retum of 15% and a standard deviation of 29%. The T.bill rate is 5%. Your risky portfolio includes the following investments in the given proportions: Your client decides to invest in your risky pontolio a proporton (h) of his total imvestment budget with the remainder in a T-bill money market fund so that his overall portfolio witt have an expected rate of return of 12% Required: a. What is the proportion y? (Round your answer to 1 decimal ploce.) b. What are your client's irvestment proportions in your three stocks and in T-balls? (Round your intermediate colculations and final answers to 2 decimal places.) c. What is the standard devation of the rate of return on your cients portfolo? (Pound your intermediate calculations and final snawet to 1 decimal place.)