4. You are considering investing $1,000 in a complete portfolio. The complete portfolio is composed of Treasury bills that pay 5% and nsky portfolio, P, constructed with two risky securities, X and Y. The optimal weights of X and Y in P are 20% and 80%, respectively. X has an expected rate of return of 16%, and Y has an expected rate of return of 1 1%. To form a complete portfolio with an expected rate of return of 12%, you should investin the risky portfolioP 1000 C. -$200 D. $875 5. You are considering investing $1,000 in a complete portfolio. The complete portfolio is composed of Treasury bills that pay 5% and a nsky portfolio, P-constructed with two risky securities, X and Y. The optimal weights of X and Y in P are 30'% and 70% respectively. X has an expected rate of return of 20%, and Y has an expected rate of return of 25%. To form a complete portfolio with an expected rate of return of 18%, you should invest approximatelyin the risky portfolio. This will mean you will also invest approximately security X and Y, respectively. A. 0%:30%; 70% B. 3596; 15%; 50% and of your complete portfolio in CC) 7096; 21% 49% D. 2290: 28%, 60%