In $2005,$ ACME company paid $$0\mathrm{.}32$ in dividends. In $2010,$ ACME paid $$0\mathrm{.}632$ in dividends. Assuming that the dividend growth rate remains the same as the past and the stock's current price is $$20\mathrm{.}85,$ what is ACME's required rate of return $2011?$

$19\mathrm{.}80\%$

$17\mathrm{.}45\%$

$15\mathrm{.}82\%$

$18\mathrm{.}05\%$

$17\mathrm{.}09\%$