The cost of equity using the discounted cash flow $($or dividend growth$)$ approach

Tyler Enterprises's stock is currently selling for $$32\mathrm{.}45$ per share, and the firm expects its per$-$share dividend to be $$2\mathrm{.}35$ in one year. Analysts project the firm's growth rate to be constant at $5\mathrm{.}72\%.$ Using the cost of equity using the discounted cash flow $($or dividend growth$)$ approach, what is Tyler's cost of internal equity?

$13\mathrm{.}61\%$

$17\mathrm{.}50\%$

$12\mathrm{.}96\%$

$16\mathrm{.}20\%$