Pincher Company purchased 50 Issac Company 12%, 10-year, $1,000 bonds on January 1, 2020, for $50,000. The bonds pay interest semiannually on January 1. On January 1, 2021, after receipt of interest, Pincher Company sold 30 of the bonds for $28,300. Prepare the journal entries to record the transactions described above. (Credit account titles are automatically indented when the amount is entered. Do not indent manually. Record journal entries in the order presented in the problem.)