$49.$On January $1,2018,$ Schmidt Industries purchased a new paint sprayer for $$400,000.$ The salvage value after $5$ years is estimated to be $$100,000.$ If the sprayer is depreciated by straight line depreciation for $5$ years, what is the annual depreciation expense?$$0,$ as the sprayer is not depreciable $$60,000$ $$80,000$ $$400,000,$ as the sprayer can be fully depreciated in year $1$