Assume that you manage a risky portfolio with an expected rate of return of 14% and a standard deviation of 38%. The T-bill rate is 4%. A client prefers to invest in your portfolio a proportion (y) that maximizes the expected return on the overall portfolio subject to the constraint that the overall portfolio's standard deviation will not exceed 25%

a. What is the investment proportion, y?

Investment proportion y ?%

b. What is the expected rate of return on the overall portfolio?

Rate of return ?%