Need help with these questions.

On January 1, Renewable Energy issues bonds that have a $20,000 par value, mature in eight years, and pay 12% interest semiannually on June 30 and December 31. 1. Prepare the journal entry for issuance assuming the bonds are issued at (a) 99 and (b) 1031/2. 2. How much interest does the company pay (in cash) to its bondholders every six months ifthe bonds are sold at par