Assume that you manage a risky portfolio with an expected rate of return of 13% and a standard deviation of 23%. The T-bill rate is 3%. Your client chooses to invest 75% of a portfolio in your fund and 25% in a T-bill money market fund.

Suppose your risky portfolio includes the following investments in the given proportions:

Stock A 20%

Stock B 30%

Stock C 50%

What are the investment proportions for your client's portfolio, including the proportion for , , , and the ?