Consider the following information about three stocks:

a$-1.$ If your portfolio is invested $45$ percent each in A and $B$ and $10$ percent in $C,$ what is

the portfolio expected return? $($Do not round intermediate calculations and enter

your answer as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$

a$-2.$ What is the variance? $($Do not round intermediate calculations and round your

answer to $5$ decimal places, e$.$g$.,16161.)$

a$-3.$ What is the standard deviation? $($Do not round intermediate calculations and

enter your answer as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$

If the expected T$-$bill rate is $3\mathrm{.}90$ percent, what is the expected risk premium on the

portfolio? $($Do not round intermediate calculations and enter your answer as a

percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$

c$-1.$ If the expected inflation rate is $3\mathrm{.}50$ percent, what are the approximate and exact

expected real returns on the portfolio? $($Do not round intermediate calculations

and enter your answers as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$

c$-2.$ What are the approximate and exact expected real risk premiums on the portfolio?

$($Do not round intermediate calculations and enter your answers as a percent

rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$