Suppose Potter Ltd. just issued a dividend of $1.82 per share on its common stock. The company paid dividends of $1.36, $1.46, $1.53, and $1.68 per share in the last four years, respectively. If the stock currently sells for $55, what is your best estimate of the companys cost of equity capital using arithmetic and geometric growth rates? (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.)