On January 1, 2020, Martinez Company purchased at par 6% bonds having a maturity value of $360,000. They are dated January 1 , 2020, and mature January 1, 2025, with interest received on January 1 of each year. The bonds are classified in the held-to-maturity category. (a) Prepare the journal entry at the date of the bond purchase. (b) Prepare the journal entry to record the interest revenue on December 31, 2020 . (c) Prepare the journal entry to record the interest received on January 1, 2021. (Credit account titles are automatically indented when amount is entered. Do not indent manually. If no entry is required, select "No Entry" for the account titles and enter 0 for the amounts.)