Answer questions 19, 20, and 21 based upon the following information: The common stock of Texas Mining Company is trading at $20 a share. Next year's dividend is expected to be $2 per share, growing at 5% a year. The company's preferred stock is trading $50 a share, with an annual dividend of 56. The coman's bone c ach. The coupon is an annual 8% paid annually. The bonds mature in 10 years Q 19. The cost of equity capital is closest to a. b. c. d 10% 12% 15% 1996 Q 20. The cost of preferred capital is closest to a. b. c. d. 10% 12% 15% 18% Q21. The pre-tax cost of debt capital is closest to b. 0.68% 8.32% 10.49% 99.90% c