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You manage a risky portfolio with an expected rate of return of 19% and a standard deviation of 32%. The T-bill rate is 7%. Your client chooses to invest 50% of a portfolio in your fund and 50% in a T-bill money market fund. Suppose that your risky portfolio includes the following investments in the given proportions: Stock A Stock B Stock C 33 % 32 % 35 % What are the investment proportions of your client's overall portfolio, including the position in T-bills? (Round your answers to 1 decimal place.) T-Bills Stock A Stock B Stock C Investment Proportions % % % %

An investor can design a risky portfolio based on two stocks, A and B. Stock A has an expected return of 15% and a standard deviation of return of 16.0%. Stock B has an expected return of 11% and a standard deviation of return of 4%. The correlation coefficient between the returns of A and B is 0.50. The risk-free rate of return is 7%. The proportion of the optimal risky portfolio that should be invested in stock A is __________.

After learning the course, you divide your portfolio into three equal parts (i.e., equal market value weights), with one part in Treasury bills, one part in a market index, and one part in a mutual fund with beta of 0.77. What is the beta of your overall portfolio?