On September 1, 2019, the entity bought the bonds belonging to the private sector with a nominal value (par value) of $400,000 with an annual interest payment of 12% through the bank. The related bonds were sold on February 1, 2020 with a bank equivalent of $424,000 .

a- Please show the journal entries required on 31 December 2019.

b- Show the journal entries required on February 1, 2020.

c- If these bonds were sold on February 1, 2020 for $418.000 show the journal entries.