Which of these stocks has the highest expected return?

Select one:

Beta = 1.2, Sigma = 58%, Unsystematic Risk = 30%

Beta = 0.9, Sigma = 62%, Unsystematic Risk = 42%

Beta = 1.3, Sigma = 55%, Unsystematic Risk = 28%

Beta = 0.8, Sigma = 60%, Unsystematic Risk = 44%