Show Attempt History Kingbird Limited purchased a patent for $81,600 on June 1, 2019. Kingbird has a calendar fiscal year end. Straight-line amortization is used for the patent, based on a five-year useful life, although the remaining legal life was 10 years. On May 31, 2021, Kingbird paid $24,000 in legal fees to successfully defend this patent in court and now wants to revise the estimate of the patent's remaining useful life to 8 years, which is the same as its remaining legal life. Record the amortization expense for the remainder of the 2021 fiscal year. (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.) Account Titles and Explanation Debit Credit Date Dec. 31, 2021 Amortization Expense 5320 Accumulated Amortization - Patents 5320