A company hired you as a consultant to help them estimate its cost of capital. You have been provided with the following data: D$1=$ $$0\mathrm{.}80,$ P$0=$ $$22\mathrm{.}50,$ and g $=5\%($constant$).$ Based on the DCF approach, what is the cost of equity from retained earnings?

Group of answer choices

$8\mathrm{.}56\%$

$9\mathrm{.}00\%$

$8\mathrm{.}73\%$

$3\mathrm{.}56\%$