Two investment advisers are comparing performance. One averaged a 19% return and the other a 16% return. However, the beta of the first adviser was 1.5, while that of the second was 1.a. Can you tell which adviser was a better selector of individual stocks (aside from the issue of general movements in the market)?O First Investment AdvisorO Second Investment AdvisorO Cannot be determinedb. If the T-bill rate were 6% and the market return during the period were 14%, which adviser would be the superior stock selector?O First Investment AdvisorO Second Investment AdvisorO Cannot be determinedc. What if the T-bill rate were 3% and the market return 15%?O First Investment AdvisorO Second Investment AdvisorO Cannot be determined