You are considering investing $1,000 in a complete portfolio. The complete portfolio is composed of Treasury bills that pay 5% and a risky 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 11%. To form a complete portfolio with an expected rate of return of 12%, you should invest __________ in the risky portfolio P. $875 $1143 $1000 -$200