HBM, Inc has the following capital structure: Assets $ 350,000 Debt $ 122,500 Preferred stock 35,000 Common stock 192,500 The common stock is currently selling for $17 a share, pays a cash dividend of $0.90 per share, and is growing annually at 4 percent. The preferred stock pays a $10 cash dividend and currently sells for $99 a share. The debt pays interest of 8.0 percent annually, and the firm is in the 30 percent marginal tax bracket. a. What is the after-tax cost of debt? Round your answer to two decimal places. % b. What is the cost of preferred stock? Round your answer to two decimal places. % c. What is the cost of common stock? Assume that the current $0.90 dividend grows by 4 percent during the year. Round your answer to two decimal places. % d. What is the firm's weighted average cost of capital? Round your answer to two decimal places. %