Two Investment advisers are comparing performance. One averaged a 22% rate of return and the other a 17% rate of return. However, the beta of the first investor was 1.5, whereas that of the second investor was 1 a. Can you tell which investor was a better selector of individual stocks (aside from the issue of general movements in the market)? First investor Second investor Cannot determine b. If the T-bill rate was 5% and the market return during the period was 12%, which investor would be considered the superior stock selector? Second investor First investor Cannot determine c. What if the T-bill rate was 2% and the market return was 16%? First investor Second investor Cannot determine