Adams Inc. has the following data: risk free rate $=5\mathrm{.}00\%$; market risk premium $=6\mathrm{.}00\%$; and beta $=1\mathrm{.}05.$ What is the firm's cost of common from reinvested earnings?

$11\mathrm{.}64\%$

$12\mathrm{.}72\%$

$11\mathrm{.}99\%$

$11\mathrm{.}30\%$

$12\mathrm{.}35\%$