Suppose stark ltd. just issued a dividend of $2.24 per share on its common stock. the company paid dividends of $1.80, $1.98, $2.05, and $2.16 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.)