Please I need help, I asked this question here and tje answer was wrong.

Mercer Corporation acquired $400,000 of Park Company's bonds on June 30,2018 , for $409,991.12. The bonds carry a 12% stated interest rate and pay interest semiannually on June 30 and December 31. The appropriate market interest rate is 11%, and the bonds are due June 30 , 2021. Required: 1. Prepare an investment interest income and premium amortization schedule, using the: a. straight-line method b. effective interest method 2. Prepare journal entries to record the December 31, 2018, and December 31, 2020, interest receipts using both methods. Prepare journal entries to record the December 31,2018 , and December 31,2020 , interest receipts using effective interest method. All transactions on this page must be entered (except for post ref(s)) before you will receive Check My Work feedback. Prepare journal entries to record the December 31,2018 , and December 31,2020 , interest receipts using effective interest method. All transactions on this page must be entered (except for post ref(s)) before you will receive Check My Work feedback