These are selected 2022 transactions for Monty Corporation: Jan. 1 Mar. 1 Sept. 1 Prepare all adjusting entries at December 31 to record amortization required by the events. (Credit account titles are automatically Indented when the amount is entered. Do not indent manually. If no entry is required, select "No Entry" for the account titles and enter o for the amounts.) Purchased a copyright for $108,000. The copyright has a useful life of 6 years and a remaining legal life of 30 years. Purchased a patent with an estimated useful life of 4 years and a legal life of 20 years for $51,000. Purchased a small company and recorded goodwill of $138,000. Its useful life is indefinite. Date Account Titles and Explanation Dec. 31 Amortization Expense Dec. 31 Dec. 31 Copyrights (To record amortization of Copyrights) Amortization Expense Patents (To record amortization of Patents) (To record amortization of Goodwill) Debit 18000 10625 12750 10625 Credit 18000 10625