A stock had returns of $18\mathrm{.}13$ percent, $5\mathrm{.}31$ percent, and $20\mathrm{.}54$ percent for the past three years. What is the variance of the returns?

Multiple Choice

$\mathrm{.}00858$

$\mathrm{.}14280$

$\mathrm{.}01631$

$\mathrm{.}02719$

$\mathrm{.}02039$