straight line depreciation /double declining method Prepare the depreciation schedule same as in the video and prepare the double declining balance as well Suppose a business has bought a machine for $ 100,000. They have estimated the machine's useful life to be eight years, with a salvage value of $ 11,000. Now, as per the straight-line method of depreciation: Cost of the asset = $ 100,000 Salvage Value = $ 11,000 The useful life of the asset = 8 years