Finance question about bonds and their values.

Argus, Inc, is planning to issue $70 million in bonds. The coupon rate will be 8 percent with coupon interest to he paid semiannually. The entire $70 million face value will be due in ten years. Current interest rates are: What rating must the bonds have to sell at face value? If the bonds are rated Ba, what price would they sell for per $ 100 of maturity value? Given your answer in b, what face value must he issued in Older to raise $60 million dollars in cash