Record the purchase of the patent on June 1 2019 record amortization expense for the fiscal years 2019 and 2020 record the payment of the legal fees on may 31,2021 record any necessary amortization prior the change in the useful life of the patent. record the amortization expense for the remainder of the 2021 fiscal year. what was the total amount of the amortization expense appearing on the income statement for fiscal year 2021. what is the carrying amount of the patent on the balance sheet at dec 31 2021

Shamrock Limited purchased a patent for $88,800 on June 1, 2019. Shamrock 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, Shamrock paid $26,400 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