Computing Depreciation and Accounting for a Change of Estimate In January 2016, Rankine Company paid $6,800,000 for land and a building. An appraisal estimated that the land had a fair value of $2,000,000 and the building was worth $4,800,000. Rankine estimated that the useful life of the building was 30 years, with no residual value a. Calculate annual depreciation expense using the straight-line method 160,000 b. Calculate depreciation for 2016 and 2017 using the double-declining-balance method. Round answers to the nearest whole number. 2016 $320,000 2017 $ 298,667 C. Assume that in 2018, Rankine changed its estimate of the useful life of the building to 25 years. If the company is using the double-declining-balance method of depreciation, what amount of depreciation expense would Rankine record in 2018? Do not round until your final answer. Round answer to the nearest whole number. 334,507