Beckham corporation has semiannual bonds outstanding with 13 years to maturity and the bonds are currently priced at $746.16. if the bonds have a coupon rate of 8.5 percent, then what is the after-tax cost of debt for beckham if its marginal tax rate is 35%? round your intermediate calculation to two decimal places & final percentage answer to three decimal places. 12.890% 6.250% 8.125% 12.500%