Maroon Industries has a debt-equity ratio of 1.6. Its WACC is 9 percent, and its cost of debt is 4 percent. There is no corporate tax.

a. What is the companys cost of equity capital?

Note: Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.

b-1. What would the cost of equity be if the debt-equity ratio were 2?

Note: Do not round intermediate calculations and enter your answer as a percent rounded to the nearest whole number, e.g., 32.

b-2. What would the cost of equity be if the debt-equity ratio were .5?

Note: Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.

b-3. What would the cost of equity be if the debt-equity ratio were zero?

Note: Do not round intermediate calculations and enter your answer as a percent rounded to the nearest whole number, e.g., 32.