After-tax cost of debt For the following $1,000 par value bond, assuming annual interest payment and a 21% tax rate, calculate the after-tax cost of debt. (Click on the icon here in order to copy the contents of the data table below into a spreadsheet) Discount (-) or Coupon Life Underwriting fee premium (+) interest rate $25 $20 9% 20 years The after-tax cost of financing using the approximation formula is 1% (Round to two decimal places)