You have $320,000 to invest and you are considering two stocks, AAPL and XON. Your goal is to create a portfolio that has an expected return of 11.3%.

If AAPL has an expected return of 10.3% and a beta of 1.28, and XON has an expected return of 8.32% and a beta of 0.87,

a). How much money do you need to invest in (or short) XON?

b). What is the beta of your portfolio?

Please include formulatext in your solution, thanks.