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Assume that you manage a risky portfolio with an expected rate of retum of 13% and a standard deviation of 45%. The T-bill rate is 6%. Your client chooses to invest 75% of a portfolio in your fund and 25% in a T.bil money market fund. Required: a. What are the expected return and standard deviation of your client's portfolio? (Round your answers to 1 decimal place.) b. Suppose your risky portfolio includes the following investments in the given proporitions: What are the investment propontions of your clients overall portfoso, inciuding the posaion in f-bilfs? (Round your answers to 1 decimal piaces. c. What is the reward-tovolatility ratio (S) of your risky portfolio and your client's overall portfolio? (Round your answers to 4 decimal places.)