Suppose Stark Ltd. just issued a dividend of $2.33 per share on its common stock. The company paid dividends of $2.00, $2.08, $2.15, and $2.26 per share in the last four years.

A) If the stock currently sells for $55, what is your best estimate of the company's 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.)

B) 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.)