Returns and Standard Deviation

Consider the following information: Calculate the expected returns and standard deviations

$\backslash$table$[[$State of Economy,Probability,Stock B $(\%),$Stock C $(\%)],[$Boom$,\mathrm{.}15,45\mathrm{.}0,33\mathrm{.}0],[$Good$,\mathrm{.}25,10\mathrm{.}0,15\mathrm{.}0],[$Poor$,\mathrm{.}55,-15\mathrm{.}0,-5\mathrm{.}0],[$Bust$,\mathrm{.}05,-30\mathrm{.}0,-9\mathrm{.}0]]$

Which of the two stocks will you invest your money in$?$ Explain the reason.