Your answer is partially correct. Pearl Company purchased a computer system for $74,600 on January 1, 2019. It was depreciated based on a 7-year life and an $18,600 salvage value. On January 1, 2021, Pearl revised these estimates to a total useful life of 4 years and a salvage value of $9,100. Pearl uses straight-line depreciation. Prepare Pearl's 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 O for the amounts.) Account Titles and Explanation Debit Credit Depreciation Expense 24300 Accumulated Depreciation-Equipment 24300