Headland Company purchased a computer system for $70,800 on January 1, 2019. It was depreciated based on a 7-year life and an $19,700 salvage value. On January 1, 2021, Headland revised these estimates to a total useful life of 4 years and a salvage value of $10,500. Headland uses straight-line depreciation. Prepare Headlands entry to record 2021 depreciation expense. (Credit account titles are automatically indented when amount is entered. Do not indent manually. If no entry is required, select "No Entry" for the account titles and enter 0 for the amounts.)

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