sincere stationery corporation needs to raise $ to improve its manufacturing plant. it has decided to issue a $ par value bond with an annual coupon rate of percent with interest paid semiannually and a -year maturity. investors require a rate of return of percent. a. compute the market value of the bonds. b. how many bonds will the firm have to issue to receive the needed funds? c. what is the firm's after-tax cost of debt if the firm's tax rate is percent?