Bermuda Cruises issues only common stocks and coupon bonds. The firm has a debt-equity ratio of 0.45. The cost of equity is 17.6 percent. Required: What is the pre-tax cost of the company debt if...

Bermuda Cruises issues only common stocks and coupon bonds. The firm has a debt-equity ratio of 0.45. The cost of equity is 17.6 percent.
Required:
What is the pre-tax cost of the company debt if weighted average costs of the company is 13.5% and the firm's tax rate is 35 percent?