You have $100,000 to invest in either Stock D, Stock F, or a risk-free asset. You must invest all of your money. Your goal is to get a portfolio that has an expected return of 10.5%. Assume D has an expected return of 13.2%, F has an expected return of 9.5%, and the risk-free rate is 3.8%.

If you invest $50,000 in Stock D, how much do you invest in stock F?