Consider the following information:

$\backslash$table$[[,,,,$Rate of Return if State Occurs$],[$State of Economy,Probability of State,,,$],[,$of Economy,Stock A$,$Stock B$,],[$Recession$,15,\mathrm{.}06,-19,],[$Normal$,\mathrm{.}60,\mathrm{.}09,\mathrm{.}10,],[$Boom$,\mathrm{.}25,\mathrm{.}14,\mathrm{.}27,]]$

a$.$ Calculate the expected return for Stocks A and B$.($Do not round intermediate calculations and enter your answers as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$

b$.$ Calculate the standard deviation for Stocks A and B$.($Do not round intermediate calculations and enter your answers as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$