The following are selected 2022 transactions of Vaughn Corporation. Jan. 1 Purchased a small company and recorded goodwill of $224,000. Its useful life is indefinite. April 1 Purchased for $135,000 a patent with an estimated useful life of 5 years and a legal life of 20 years. (a) Prepare necessary adjusting entries at December 31 to record amortization required by the events above. (Credit account titles are automatically indented when the amount is entered. Do not indent manually. List all debit entries before credit entries. If no entry is required, select "No Entry" for the account titles and enter O for the amounts.)