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%.

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 30%.

a.What is the investment proportion,y?(Do not round intermediate calculations. Enter your answer as a percentage rounded to two decimal places.)

b.What is the expected rate of return on your client's overall portfolio?