Accumulated Depreciation Land Building Equipment Patent Cost $ 92,000 457,600 234,300 235, eee $(164,520) (49,488) (94, eee) Book Value $ 92,eee 292,488 184,900 141,000 Solich purchased all the assets at the beginning of 2019 (3 years ago). The building is depreciated over a 10-year service life using the double-declining balance method and estimating no residual value. The equipment is depreciated over a 9-year useful life using the straight-line method with an estimated residual value of $12,000. 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 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