You own a portfolio that is 39.3% invested in Stock X, 40.7% in Stock Y, and 20% in Stock Z. The expected returns on these three stocks are 13.4%, 11.7%, and 15.6%, respectively. What is the expected return on the portfolio? You own a portfolio that is 39.3% invested in Stock X, 40.7% in Stock Y, and 20% in Stock Z. The expected returns on these three stocks are 13.4%, 11.7%, and 15.6%, respectively. What is the expected return