please help, show all calculation clearly

A $5,500,000 issue of a 30-year bond, redeemable at par, offers 8.00% coupons payable semi-annually. The bond yields 4.00% compounded monthly. a. What was the purchase price of the bond, if it was purchased 15 years before maturity? $0.00 Round to the nearest cent Round to the nearest cent b. What was the amount of discount or premium on the bond? amount is $6.00 Round to the nearest cent