The expected dividend is $$2\mathrm{.}50$ for a share of stock priced at $$25.$ What is the cost of retained earnings if the long$-$term growth in dividends is projected to be $8$ percent?

Question $15$ options:

$1)25\mathrm{.}0$ percent

$2)8\mathrm{.}0$ percent

$3)18\mathrm{.}0$ percent

$4)10\mathrm{.}0$ percent