You have 100000 to invest in a portfolio containing stock x and stock y. your goal is to create a portfolio that has an expected return of 17 percent. if stock x has an expected return of 14.8 percent and a beta of 1.35, and stock y has an expected return of 11.2 percent and a beta of .90. how much money will you invest in stock y? how do you interpret your answer? what is the beta of your portfolio?