Cupola Fan Corporation issued 8%, $500,000, 10-year bonds for $486,000 on June 30, 2016. Debt issue costs were $2,500. Interest is paid semiannually on December 31 and June 30. One year from the issue date (July 1, 2017), the corporation exercised its call privilege and retired the bonds for $490,000. The corporation uses the straight-line method both to determine interest expense and to amortize debt issue costs.

Required: 1. to 4. Prepare the necessary journal entries