Williamson, Inc., has a debt–equity ratio of 2.43. The company's weighted average cost of capital is 11 percent, and its pretax cost of debt is 5 percent. The corporate tax rate is 30 percent.
What would the company’s weighted average cost of capital be if the company's debt–equity ratio were .65 and 1.80? (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.)