I: Depreciation Methods SMART CAR Depreciation Example: Copier Base Cost $14,650 Cost of Better Tires $1,000 Salvage Life in years Life in miles Miles Driven $ 1,500 10 Years. 100,000 copies 18,000 miles in 2020; 22,000 miles in 2021 Straight Line Deprecation: Cost Life Depreciation Expense Salvage 15,650 1,500 lo 15,050 1,600 10 Units Method: Cost Salvage Life Miles 15,050 1500 106,000 15,650 1,500 100,000 2020 2021 Miles Driven G.1415/18,000 Depreciation Expense 2020 18000 2,547 2021 22,000 3,113 Double Declining Balance Method: 2/Life Cost Beg Acc Depn Depreciation Expense 2020 2/10 15,650 0 3,130 2021 2/10 15,430 (3,130)