and what is the after tax cost?

Intro Simple Corp. has one bond issue oustanding, with a maturity of 10.5 years, a coupon rate of 3.3% and a yield to maturity of 5.3%. Simple Corp.'s average tax rate is 18% and its marginal tax rate is 29%. Part 1 Attempt 1/10 for 10 pts. What is the (pre-tax) cost of debt? Correct The pre-tax cost of debt equals the yield to maturity on a bond, or 0.053 in this case. Part 2 Attempt 1/10 for 10 pts. What is the after-tax cost of debt