Suppose Stark Ltd. just issued a dividend of $1.92 per share on its common stock. The company paid dividends of $1.50, $1.65, $1.72, and $1.83 per share in the last four years. If the stock currently sells for $40, what is your best estimate of the companys cost of equity capital using the arithmetic average growth rate in dividends? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) Cost of equity % What if you use the geometric average growth rate? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) Cost of equity %