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%, then what is the after-tax cost of debt for Beckham if its marginal tax rate is 35%?a. 6.250%.b. 12.890%.c. 12.500%.d. 8.125%.