Intro Simple Corp. has one bond issue oustanding, with a maturity of 10.5 years, a coupon rate of 3.1% and a yield to maturity of 4.8%. Simple Corp.'s average tax rate is 18% and its marginal tax rate is 28%. IB Attempt 1/10 for 10 pts. Part 1 What is the (pre-tax) cost of debt? 16.03 Try again Try again See solution (-2 pts.) IBI Attempt 1/10 for 10 pts. Part 2 What is the after-tax cost of debt? 13.53 Try again Try again See solution (-2 pts.)