Straight-Line Dep BV AD BV Cost Salvage Useful Life Miles 1 2 3 30,000 Straight-Line 3,000 Dep AD 4 1 100,0002 30,000 3 10,000 4 20,000 5 40,000 Units of Production Dep AD 1 4 5 Units of Production Dep AD UNAWN BV BV GON 4 5 Double Declining Balance Dep AD BV BV Cost Salvage Useful Life Miles 1 2 3 4 5 50,0004 5,000 5 5 Double Declining Balance 100,000 Dep AD 10,0001 30,000 2 20,000 3 15,000 4 25,000 5 30,000