IBM expects to pay a dividend of $$5$ next year and expects these dividends to grow at $7\%$ a year. The price of IBM is $$90$ per share. What is IBM's cost of equity capital?

A$.11\mathrm{.}34\%$

B$.10\mathrm{.}08\%$

C$.11\mathrm{.}97\%$

D$.12\mathrm{.}6\%$