Nightwish Company purchased a machine for $200,000 on January 1, 2019. Nightwish depreciates machines of this type by the straight-line method over a 5year period with no salvage value. Due to a change in sales patterns, on January 2 , 2021, management changes the estimates of the useful life of the machine and determines the useful life of the machine to be a total of ten years (in other words, the remaining life of the asset is 8 years). What amount should Nightwish record for depreciation expense for 2021 ? Select one: a. $12,000 b. $10,000 c. $0 d. $15,000