Kirby Enterprises$$s stock is currently selling for $$25\mathrm{.}67$ per share, and the firm expects its per$-$share dividend to be $$2\mathrm{.}35$ in one year. Analysts project the firm$$s growth rate to be constant at $5\mathrm{.}72\%.$ Estimating the cost of equity using the discounted cash flow $($or dividend growth$)$ approach, what is Kirby$$s cost of internal equity?

$18\mathrm{.}59\%$

$15\mathrm{.}61\%$

$20\mathrm{.}07\%$

$14\mathrm{.}87\%$