To help finance a major expansion, castro chemical company sold a noncallable bond several years ago that now has 20 years to maturity. this bond has a 9.25% annual coupon, paid semiannually, sells at

To help finance a major expansion, castro chemical company sold a noncallable bond several years ago that now has 20 years to maturity. this bond has a 9.25% annual coupon, paid semiannually, sells at a price of $1,075, and has a par value of $1,000. if the firm's tax rate is 40%, what is the component cost of debt for use in the wacc calculation?