Consider the following information:

a$.$ Your portfolio is invested $28$ percent each in A and $C$ and $44$ percent in $B.$ What is the expected return of the portfolio?

Note: Do not round intermediate calculations and enter your answer as a percent rounded to $2$ decimal places,

e$.$g$.,32\mathrm{.}16.$

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

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

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

Note: Do not round intermediate calculations and enter your answer as a percent rounded to $2$ decimal places,

e$.$g$.,32\mathrm{.}16.$