What is the beta of a portfolio where you invest 50% of your money in T-bills and the rest in a mutual fund that is indexed to match the market return? The beta of the portfolio is . (Round to two decimal places.) A friend says that she expects to earn 13.50% on her portfolio with a beta of 1.50. You have a two-asset portfolio including stock X and a risk-free security. The expected return of stock X is 11.50% and the beta is 1.65. The expected return on the risk-free security is 2.50%. If you construct your portfolio so that its beta is equal to the beta on your friend's portfolio, then what is the expected return of your portfolio? The expected return of your portfolio is%. (Round to two decimal places.)