help on part b please

(Related to Checkpoint 9.3) (Bond valuation) Pybus, Inc. is considering issuing bonds that will mature in 25 years with an annual coupon rate of 8 percent Their par value will be $1,000, and the interest will be paid semiannually Pybus is hoping to get a AA rating on its bonds and, if it does, the yield to maturity on similar AA bonds is 11.5 percent. However, Pybus is not sure whether the new bonds will receive a AA rating if they receive an A rating the yield to maturity on similar Abonds is 125 percent What will be the price of these bonds if they receive either an Aor a AA rating? a. The price of the Pybus bonds if they receive a AA rating will be $ 71425 (Round to the nearest cont.) b. The price of the Pybus bonds if they receive an A rating will be $(Round to the nearest cent.)