Equipment Less: Accumulated depreciation Note: 410,000 -150,000 260,000 The equipment is 3 years old, with a 7-year original service life, and depreciated by the straight-line method. How much is the net book value? >>>> What is the asset cost? >>>> How much is annual depreciation expense? >>>> How much is salvage value? >>>> How much is the original depreciable base? >>>>