eBook The Cost of Debt and Flotation Costs. Suppose a company will issue new 20-year debt with a par value of $1,000 and a coupon rate of 9%, paid annually. The issue price will be $1,000. The tax rate is 35%. If the flotation cost is 4% of the issue proceeds, then what is the after-tax cost of debt? Disregard the tax shield from the amortization of flotation costs. Round your answer to two decimal places. % What if the flotation costs were 12% of the bond issue? Round your answer to two decimal places