Please explain how to solve the problem, don't just give the answer with no explanation.

Required information Problem 7-7A Compute depreciation, amortization, and book value of long-term assets (L07-4, 7-5) [The following information applies to the questions displayed below.) Solich Sandwich Shop had the following long-term asset balances as of December 31, 2021: Accumulated Depreciation Land Building Equipment Patent Cost $ 91,000 456,000 257,000 230,000 $(86,640) (49,200) (92,000) Book Value $ 91,000 369, 360 207,800 138,000 Solich purchased all the assets at the beginning of 2019 (3 years ago). The building is depreciated over a 20-year service life using the double-declining-balance method and estimating no residual value. The equipment is depreciated over a 10- year useful life using the straight-line method with an estimated residual value of $11,000. The patent is estimated to have a five-year service life with no residual value and is amortized using the straight-line method. Depreciation and amortization have been recorded for 2019 and 2020. Problem 7-7A Part 2 2. For the year ended December 31, 2021, record amortization expense for the patent. (If no entry is required for a transaction/event, select "No Journal Entry Required" in the first account field.) View transaction list Journal entry worksheet Record the amortization on the patent. Note: Enter debits before credits. General Journal Debit Credit Transaction 1