Q3. A viscosity sensing instrument costs $46,000 and has a $5500 salvage value with a 7 -year recovery period. The estimated annual operating cost is $3000 per year. Answer: QS (a). Use classical straight-line depreciation to tabulate the depreciation schedule for years: 2,3,4,5, and 6 . Answer: QS (b). what is the depreciation rate at year 4? And what is the asset's book value and cumulative depreciation at the end of year 4 ? Answer: Q3 (c). Plot the depreciation schedule to show the yearly depreciation and cumulative depreciation