You have $15,000 to invest in a stock portfolio. Your choices are Stock X with an expected return of 15 percent and Stock Y with an expected return of 8 percent.

If your goal is to make a portfolio with an expected return of 10.7 percent, how much should you invest in X?

If your goal is to make portfolio with an expected return of 10.7 percent,how much should you invest in Y?

I keep getting two different answers