What is the standard deviation for this portfolio of stock when the expected return of the portfolio is $14\mathrm{.}324\%$ and probabilities and returns are given in the table below?

$\backslash$table$[[\backslash$table$[[$State of$],[$Economy$]],\backslash$table$[[$Probability of$],[$State of Economy$]],\backslash$table$[[$Rate of Retu$],[$if State Occu$]],],[,,$Stock S$,$Stock T$],[$Boom$,\mathrm{.}06,\mathrm{.}22,\mathrm{.}18],[$Normal$,\mathrm{.}92,\mathrm{.}15,\mathrm{.}14],[$Bust$,\mathrm{.}02,-0\mathrm{.}26,-0\mathrm{.}09]]$

$3\mathrm{.}02\%$

$1\mathrm{.}10\%$

$4\mathrm{.}96\%$

$5\mathrm{.}22\%$