Chee Chew's portfolio has a beta of $1\mathrm{.}25$ and earned a return of $13\mathrm{.}9\%$ during the year just ended. The risk$-$free rate is currently $3\mathrm{.}5\%.$ The return on the market portfolio during the year just ended was $11\mathrm{.}1\%.$

a$.$ Calculate Jensen's measure $($Jensen$\text{'}$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 $-0\mathrm{.}24.$ 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.