Assuming a constant growth rate of $8\mathrm{.}2\%,$ Tinker's stock is currently selling for $$12$ per share. New common stock can be sold to net the company $$11$ per share. Determine the costs of internaland externalequity to Tinker's stock. Assume that the next expected dividend is $$0\mathrm{.}96.$

$12\mathrm{.}3\%$;$15\mathrm{.}9\%$

$15\mathrm{.}9\%$;$18\mathrm{.}9\%$

$18\mathrm{.}1\%$;$18\mathrm{.}9\%$

$16\mathrm{.}2\%$;$16\mathrm{.}9\%$