$8.$ Using the same data as in previous question, calculate the expected return for Stock B$.$

a$.9\mathrm{.}55\%$

b$.8\mathrm{.}33\%$

c$.8\mathrm{.}70\%$

d$.10\mathrm{.}45\%$

e$.8\mathrm{.}65\%$

$9.$ Using the same data as in the previous question, calculate the standard deviation of returns

for Stock A$.$

a$.23\mathrm{.}26\%$

b$.15\mathrm{.}43\%$

c$.14\mathrm{.}94\%$

d$.4\mathrm{.}04\%$

e$.2\mathrm{.}76\%$