3rett s. Sons' common stock currentiy trodes at $20.00 a share. It is expected to pay an annual dividend of $2.00 a share at the end of the year (Di=$2.00), and the constant growth rate is 6% a year. a. What is the company's cost of common equity if all of its eeuity comes from retained earnings? Do not round intermediate calculations. Round your answer to two decimal places. b. If the company iswied new stock, it would incur a 15\% fotation cost, What would be the cost of equity from new stock? Do not round intermiediate calculabions, Round your 3nswer to two decimal places