Williams, Inc., has compiled the following information on its financing costs: Type of Book Value Market Value Cost Financing Short-term debt $16,000,000 $ 14,500,000 4.7% Long-term debt 50,000,000 41,000,000 78 Common stock 13,000,000 114,000,000 13.6 Total $79,000,000 $169,500,000 The company is in the 25 percent tax bracket and has a target debt-equity ratio of 75 percent. The target short-term debt/long-term debt ratio is 15 percent a. What is the company's weighted average cost of capital using book value weights? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) b. What is the company's weighted average cost of capital using market value weights? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) c. What is the company's weighted average cost of capital using target capital structure weights? (Do not round intermediate calculations and enter your answer as a