Suppose hornsby ltd. just issued a dividend of $2.54 per share on its common stock. the company paid dividends of $2.04, $2.11, $2.28, and $2.38 per share in the last four years. if the stock currently sells for $73, what is your best estimate of the company's 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.) cost of equity arithmetic dividend growth rate % geometric dividend growth rate %