Suppose Powers Ltd. just issued a dividend of $2.52 per share on its common stock. The company paid dividends of $2.02, $2.09, $2.26, and $2.36 per share in the last four years.

Required:

If the stock currently sells for $71, what is your best estimate of the companys cost of equity capital using arithmetic and geometric growth rates? (Do not round intermediate calculations. Enter your answers as a percentage rounded to 2 decimal places (e.g., 32.16).)