To calculate the after-tax cost of debt, multiply the before-tax cost of debt by (1T) Omni Consumer Products Company (OCP) can borrow funds at an interest rate of 9.70% for a period of six years. Its marginal federal-plus-state tax rate is 35\%. OCPs after-tax cost of debt is (rounded to two decimal places). At the present time, Omni Consumer Products Company (OCp) has 15 -year noncallable bonds with a face value of $1,000 that are outstanding. These bonds have a current market price of $1,329.55 per bond, carry a coupon rate of 12%, and distribute annual coupon payments. The company incurs a federal-plus-state tax rate of 35%. If OCP hants to issue new debt, what would be a reasonable estimate for its after-tax cost of debt (rounded to two decimal places)? (Note: Round your YTM rate to two decimal place.) 4.75% 5.28% 6.34% 6.07%