... of tangible fixed assets are :- Straight-line depreciation method ;- Declining-balance depreciation method; and- Units-of-output depreciation method.By the straight-line depreciation method, the ... intangible fixed assets, including:Straight-line depreciation method;Declining-balance depreciation method;Units-of-output depreciation method .- By to the straight-line depreciation method, the annual ... asset’s useful life .- According to the declining-balance method, the annual depreciated amount gradually declines throughout the asset’s useful life .- The units-of-output method...