Consider the following information about three stocks:

a$-1.$ If your portfolio is invested $40\%$ each in A and B and $20\%$ in C$,$ what is the portfolio expected return? $($Do not round intermediate calculations. Enter the answer as a percent rounded to $2$ decimal places.$)$

Portfolio expected return $\%$

a$-2.$ What is the variance? $($Do not round intermediate calculations. Round the final answer to $8$ decimal places.$)$

Variance

a$-3.$ What is the standard deviation? $($Do not round intermediate calculations. Enter the answer as a percent rounded to $2$ decimal places.$)$

Standard deviation $1\%$

b$.$ If the expected T$-$bill rate is $5\mathrm{.}10\%,$ what is the expected risk premium on the portfolio? $($Do ngt round intermediate calculations.

Enter the answer as a percent rounded to $2$ decimal places.$)$

Expected risk premium $\%$