Chee Chew's portfolio has a beta of 1.23 and earned a return of 13.7% during the year just ended. The risk-free rate is currently 3.6%. The return on the market portfolio during the year just ended was 11.3%. a. Calculate Jensen's measure (Jensen's alpha) for Chee's portfolio for the year just ended. b. Compare the performance of Chee's portfolio found in part a to that of Carri Uhl's portfolio, which has a Jensen's measure of -0.22 . Which portfolio performed better? Explain. c. Use your findings in part a to discuss the performance of Chee's portfolio during the period just ended