Cost of debt using the approximation formula For the following $1,000 per value bond, assuming annual repayment and a 27% tax rate, calculate the after-tax cost to maturity using the approximation formula. (Click on the icon here in order to copy the contents of the datatable below into a spreadsheet) Discount (-) or Coupon Lite Underwriting tee premium) interest rate 20 years $30 9 The estas con el financing using the remation formula . Round to two decimal)