Two investment advisers are comparing performance. One averaged a 16% rate of return and the other a 15% rate of return. However, the beta of the first investor was 1.3, whereas that of the second 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 were 7% and the market return during the period were 10%, which investor would be the superior stock selector? Second investor First investor Cannot determine C. If the T-bill rate were 4% and the market return during the period were 14%, which investor would be the superior stock selector? First investor Second investor Cannot determine