4. On April 1, 2019, West Bay Inc. purchased $600,000 of 6% bonds for $623,625 plus accrued interest as an available-for-sale security. Interest is paid on July 1 and January 1 and the bonds mature on July 1, 2024.

(a) Prepare the journal entry on April 1, 2019.

(b) The bonds are sold on November 1, 2020 at 102 plus accrued interest. Amortization was recorded when interest was received by the straight-line method (by months and round to the nearest dollar). Prepare all entries required to properly record the sale.