You would like to invest $$30,000$ and have a portfolio expected return of $17$ percent. You are considering two securities$,$ M and N$.$ M has an expected return of $10$ percent and N has an expected return of $20$ percent. How much should you invest in stock M and the rest of the balance in stock N to achieve the $17$ percent portfolio return?

$$18,000$

$$12,000$

$$9,000$

$$21,000$