Suppose Stark Ltd. just issued a dividend of $1.85 per share on its common stock. The company paid dividends of $1.50, $1.59, $1.66, and $1.77 per share in the last four years. a. If the stock currently sells for $45, 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 and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) a. What if you use the geometric average growth rate? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) a. Cost of equity % b. Cost of equity %