$\backslash$table$[[,,$Rate of Return If State Occurs$],[$State of Economy,$\backslash$table$[[$Probability of State$],[$of Economy$]],$Stock $A,$Stock B$,$Stock C$,],[$Boom$,20,\mathrm{.}38,\mathrm{.}50,\mathrm{.}54,],[$Normal$,\mathrm{.}50,\mathrm{.}21,16,\mathrm{.}13,],[$Bust$,\mathrm{.}30,\mathrm{.}05,-\mathrm{.}28,-\mathrm{.}45,]]$

a$-1.$ If your portfollo is invested $35$ percent each in A and $B$ and $30$ percent in $C,$ what is the porffollo expected return? $($Do not round Intermedlate calculations and enter your answer as a percent rounded to $2$ decimal places, e$.$g$.,3216.)$

a$-2.$ What is the varlance? $($Do not round Intermedlate calculatlons and round your answer to $5$ decimal places, e$.$g$.,16161.)$

a$-3.$ What is the standard deviation? $($Do not round Intermedlate calculations and enter your answer as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$

b$.$ If the expected T$-$bill rate is $4\mathrm{.}70$ percent, what is the expected risk premium on the portfollo? $($Do not round Intermedlate calculations and enter your answer as a percent rounded to $2$ declmal places, e$.$g$.,3216.)$

c$-1.$ If the expected inflation rate is $4\mathrm{.}20$ percent, what are the approximate and exact expected real returns on the portfollo? $($Do not round Intermedlate 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 portfollo?

$($Do not round Intermedlate calculations and enter your answers as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$

$\backslash$table$[[$a$-1.$ Portfolio expected return,$],[$a$-2.$ Variance,$],[$a$-3.$ Standard deviation,$\%$