The expected return on this portfolio will be given by: E[P]=Rf+(E[Rm]-Rf)β Where: Rf=Risk Free interest rate Rm=Return on the market portfolio β= Market Beta The return on our portfolio will be: E[p]=0.043+(0.128-0.043)0.013 =0.043+0.085*0.013 =0.044105 =4.4105%