Whitewall Tire Co. just paid an annual dividend of $1.70 on its common shares. If Whitewall Is expected to Increase is annual dividend by 4.10 percent per year into the foreseeable future and the current price of Whitewall's common shares is $14.23, what is the cost of common stock for Whitewall? (Round answer to 2 decimal places, e.g. 15.25%.) Cost of common stock _____________ %