You have been given the following return$$ data, on three assetslong dash$$A$,$B$,$ and Clong dash$$over the period $20212024.$ Using these$$ assets, you have isolated three investment$$ alternatives:

a$.$ Calculate the average portfolio return for each of the three alternatives. b$.$ Calculate the standard deviation of returns for each of the three alternatives.

c$.$ On the basis of your findings in parts a and b$,$ which of the three investment alternatives would you$$ recommend? Why?

Year Asset A Asset B Asset C

$2021.5\%12\%6\%$

$20227\%10\%8\%$

$20239\%8\%10\%$

$202411\%6\%12\%$

$1100\%$ of asset A

$250\%$ of asset A and $\%50\%$ of asset B

$350\%$ of asset A and $50\%$ of asset C

a$.$ Calculate the portfolio return over the$4-$year period for each of the $3$ Alternative$1$: $8\%($Round to two decimal$$ places.$)$

Alternative$2$: $8\mathrm{.}5\%($Round to two decimal$$ places.$)$

Alternative$3$: $8\mathrm{.}5\%($Round to two decimal$$ places.$)$

b$.$ Calculate the standard deviation of returns over the$4-$year period for each of the $3$ alternatives.

Alternative$1$: $2\mathrm{.}582\%($Round to three decimal$$ places.$)$

Alternative$2$: $???($Round to three decimal$$ places.$)$