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 25%. If OCP wants 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.) 5.48%7.31%6.09%7.00%