Problem $13-7$ Calculating Returns and Standard Deviations $($LO$1)$Consider the following information:$5$pointsState of EconomyProbability of State of EconomyRate of Return if State OccursStock AStock BRecession. $15\mathrm{.}04-\mathrm{.}17$Normal$55\mathrm{.}09\mathrm{.}12$Boom$\mathrm{.}30\mathrm{.}17\mathrm{.}27$eBookReterences.Calculate the expected return for each stock. $($Do not round intermediate calculations. Round the final answers to $2$ decimal places.$)$Stock AStock BExpected return$\%$Calculate the standard deviation for each stock. $($Do not round intermediate calculations. Round the final answers to $2$ decimal places.$)$Standard deviationStock AStock B$\%$