Kose, Inc., has a target debt-equity ratio of 0.71. Its WACC is 11.5 percent, and the tax rate is 32 percent.
Requirement:
If Kose's cost of equity is 15.5 percent, what is its pretax cost of debt? (Do not include the percent sign (%). Round your answer to 2 decimal places. (e.g., 32.16))