Consider the following information:

a$.$ Your portfolio is invested $31$ percent each in A and $C$ and $38$ percent in $B.$ What is the expected return of the portfolio?

Note: Do not round Intermedlate calculatlons and enter your answer as a percent rounded to $2$ decimal places, e$.$g$.,$

$32\mathrm{.}16.$

b$.$ What is the varlance of this portfolio?

Note: Do not round Intermedlate calculations and round your answer to $5$ decimal places, e$.$g$.,16161.$

c$.$ What is the standard devlation of this portfolio?

Note: Do not round Intermedlate calculatlons and enter your answer as a percent rounded to $2$ decimal places, e$.$g$.,$

$32\mathrm{.}16.$

a$.$ Expected return

b$.$ Variance

c$.$ Standard deviation

$\%$