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The depreciation calculation for a particular fixed asset stops once the net book value of the fixed asset becomes equal to Salvage Value or 0 if no Salvage Value was specified.

You can view the net book values of the fixed assets by running the Depreciation Statement report.

Accounting Parameters for Depreciation Calculation

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You can use the Fixed Assets Output report to view the fixed asset usage over time. For details, refer to Asset Management: Reports.