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📉 Machinery Depreciation

Calculate annual depreciation and current book value.

Purchase Price ($)Original purchase price

Salvage Value ($)Value at end of life

Useful Life (years)Expected working life

Current Age (years)How many years owned

📐 How It Works

Annual Depreciation = (Purchase Price - Salvage Value) ÷ Useful Life | Current Value = Purchase Price - (Annual Depreciation × Age)