You have $10,000 to invest in a stock portfolio. Your choices are stock X, with an expected return of 13%, and stock Y, with an expected return of 8%. Your goal is to create a portfolio with an expected return of 12.4%. All money must be invested. How much will you invest in stock X? A. $4,600, B. $1,200, C. $9,200, D. $8,800