Ava currently has all of her wealth in Treasury bills. She is considering investing 45% of her funds in Alcon Inc, whose beta is 1.80, with the remainder left in Treasury bills. Alcon has an expected return of 24.60% and Treasury bills have an expected return of 5.80%. What are Ava's portfolio beta and portfolio expected return? Portfolio beta =1.36, and Portfolio expected return =15.20%. Portfolio beta =1.36, and Portfolio expected return =14.26%. Portfolio beta =0.81, and Portfolio expected return =15.20%. Portfolio beta =0.81, and Portfolio expected return =14.26%