Suppose Potter Ltd$.$ just issued a dividend of $$2\mathrm{.}54$ per share on its common stock. The company paid dividends of $$2\mathrm{.}04,$ $$2\mathrm{.}11,$ $$2\mathrm{.}28,$ and $$2\mathrm{.}38$ per share in the last four years. If the stock currently sells for $$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$.,32\mathrm{.}16.)$