Portfolio Expected Return You have $\$ \mathbf{1 0 , 0 0 0}$ to invest in a stock portfolio. Your choices are stock $X$ with an expected return of 16 percent and stock $Y$ with an expected return of 10 percent. If your goal is to create a portfolio with an expected return of 12.9 percent, how much money will you invest in stock $X$ ? In stock $\boldsymbol{r}$ ?