9. Two investment advisors are comparing performance. Advisor A averaged a 20% return with a portfolio beta of 1.5 and Advisor B averaged a 15% return with a portfolio beta of 1.2. If the T-bill rate was 5% and the market return during the period was 13%, which advisor was the better stock picker? A. Advisor A was better because he generated a higher return B. Advisor A was better because he generated a larger alpha C. Advisor B was better because he generated a larger alpha D. Advisor B was better because he achieved a good return with a lower beta