Sullivan & Associates expects to pay a common stock dividend of $2.00 per share next year. Dividends are expected to grow at a 5 percent rate for the foreseeable future. Sullivan's common stock is selling for $20 per share and issuance costs are $3.00 per share. a. What is Sullivan's cost of internal equity? b. What is Sullivan's cost of external equity? A. a. 13.00% b. 16.76% B. a. 15.00% b. 16.76% C. a. 16.76% b. 18.00% D. a. 17.25% b. 18.00%