On December 31, 2021, Gardner Company holds debt securities classified as HTM with a face amount of $100,000 and a carrying value of $95,000. The bonds have an effective interest rate of 6% and pay interest of $2,500 semi-annually on June 30 and December 31. The journal entry to record the interest payment on December 31, 2021 includes (Select all that apply.)

debit cash $2,850

debit cash $2,500

debit discount on bond investment $350

credit interest revenue $2,850

credit interest revenue $2,500

credit premium on bond investment $350

Can you tell me how to calculate the $350 bond discount/premium?