Sunland Tire Co$.$ just paid an annual dividend of $$1\mathrm{.}70$ on its common shares. If Sunland is expected to increase its annual dividend by $5\mathrm{.}1$ percent per year into the foreseeable future and the current price of Sunland's common shares is $$20\mathrm{.}16,$ what is the cost of common stock for Sunland? $($Round intermediate calculations to $4$ decimal places, e$.$g$.0\mathrm{.}1555$ and final answer to $2$ decimal places, e$.$g$.15\mathrm{.}25\%.)$

Cost of common stock

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