Excal breakdown please!

You have $$10,000$ to invest in a stock portfolio. Your choices are Stock $x$ with an expected return of $12\mathrm{.}4$ percent and Stock $Y$ with an expected return of $10\mathrm{.}1$ percent. If your goal is to create a portfolio with an expected return of $10\mathrm{.}85$ percent, how much money will you invest in Stock X$?$ In Stock Y$?$

Input area:

$\backslash$table$[[$Portfolio value,$$10,000$