At the present time, andalusian limited (al) 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 al 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.)a. 6.09%b. 4.87%c.5.48%d. 7.31%