Suppose Autodesk stock has a beta of 2.17 , whereas Costco stock has a beta of 0.71 . If the risk-free interest rate is 6% and the expected return of the market portfolio is 11.5%, 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.)