The$$ risk$-$free rate is currently $8\mathrm{.}5\%.$ Use the data in the accompanying table for the Fio$$ family's portfolio and the market portfolio during the year just ended to answer the questions that follow.

Data Item Fios' Portfolio Market Portfolio

Rate of return $12\mathrm{.}811\mathrm{.}4$

SD of return $13\mathrm{.}29\mathrm{.}4$

Beta $0\mathrm{.}881\mathrm{.}00$

a$.$ Calculate$$ Sharpe's measure for the portfolio and the market. Compare the two$$ measures, and assess the performance of the$$ Fios' portfolio during the year just ended.

b$.$ Calculate$$ Treynor's measure for the portfolio and the market. Compare the$$ two, and assess the performance of the$$ Fios' portfolio during the year just ended.

c$.$ Calculate$$ Jensen's measure$($Jensen$\text{'}$s alpha$).$ Use it to assess the performance of the$$ Fios' portfolio during the year just ended.

d$.$ On the basis of your findings in parts $$a$,$ b$,$ and $$c$,$ assess the performance of the$$ Fios' portfolio during the year just ended.