Suppose Autodesk stock has a beta of 2.20, whereas Costco stock has a beta of 0.72. If the risk-free interest rate is 4.5% and the expected return of the market portfolio is 13.5%, what is the expected return of a portfolio that consists of 60% Autodesk stock and 40% Costco stock, according to the CAPM? The expected return is \%. (Round to two decimal places.)