حاسبة Depreciation

Year 1: Depreciation $4,000 | Book value $21,000
Year 2: Depreciation $4,000 | Book value $17,000
Year 3: Depreciation $4,000 | Book value $13,000
Year 4: Depreciation $4,000 | Book value $9,000
Year 5: Depreciation $4,000 | Book value $5,000