Asset: 120,000
Year 1: estimated useful life of 10 years. residual value of 10,000
120,000 - 10,000 = 110,000 / 10 years = 11,000 annual depreciation.
Start of year 3.
estimated useful life of 4 years. residual value of 2,000
120,000 - 2,000 = 118,000 / 4 = 29,500 annual depreciation.
29,500 x 2 = 59,000
11,000 x 2 = 22,000
59,000 - 22,000 = 37,000
59,000 + 37,000 = 96,000 / 2 = 48,000 annual depreciation for year 3 and year 4.
Beginning Balance: 120,000
Less: Depreciation:
Year 1 11,000
Year 2 11,000
Year 3 48,000
Year 4 48,000 (118,000)
Residual Value 2,000