Cornwell Industries stock has a beta of 1.15. The company just paid a dividend of $1.35, and the dividends are expected to grow at 4%. The expected return on the market is 13%, and Treasury bills are yielding 4.7%. The most recent stock price for the company is $72. a. Calculate the cost of equity using the dividend growth model method. (Do not round intermediate calculations. Round the final answer to 2 decimal places.) Dividend growth model method % b. Calculate the cost of equity using the SML method. (Do not round intermediate calculations. Round the final answer to 3 decimal places.) SML method %