serion, Inc., is trying to determine its cost of debt. The firm has a debt issue utstanding with 14 years to maturity that is quoted at 105 percent of face value. The sue makes semiannual payments and has an embedded cost of 6 percent annually. What is the company's pretax cost of debt? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) If the tax rate is 23 percent, what is the aftertax cost of debt? (Do not round Intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) a Pretax cost of debt b. Aftertax cost of debt MacBook Air