On january 1, 2016, knapp corporation acquired machinery at a cost of $1,250,000. knapp adopted the double-declining balance method of depreciation for this machinery and had been recording depreciation over an estimated useful life of ten years, with no residual value. at the beginning of 2019, a decision was made to change to the straight-line method of depreciation for the machinery. the depreciation expense for 2019 would be

Cost on January 1 2016 = $1,250,000
Life = 10 years

Therefore,
Double-declining depreciation rate = 2*(1,250,000/10)/1,250,000 = 2*0.1 = 2*10% = 20%
Book value at end of 2016 = 1,250,000 - (1,250,000*20/100) = $1,000,000
Book value at end of 2017 = 1,000,000 - (1,000,000*20/100) = $800,000
Book value at end of 2018 = 800,000 - (800,000*20/100) = $640,000

Changing to straight line depreciation:
Life remaining = 7 years
Book value = $640,000

Depreciation expense per year = 640,000/7 = $91,428.57

Therefore, depreciation expense for 2019 = $91,428.57

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The decision i made was if i should ask my friend a question that might hurt her but i still made it a good decision