p6

Equipment was purchased at the beginning of 2018 for $600,000. At the time of its purchase, the equipment was estimated to have a useful life of six years and a salvage value of $40,000 The equipment was depreciated using the straight-line method of depreciation through 2020. At the beginning of 2021 , the estimate of useful Life was revised to a total life of ten years with zero salvage value. The amount to be recorded for depreciation for 2021 , reflecting this change is estimate, is