Sorter Company purchased equipment for $200,000 on January 2, 2016. The equipment has an estimated service life of 8 years and an estimated residual value of $20,000. Compute the depreciation expense for 2016 under each of the following methods: straight-line $ sum-of-the-years'-digits $ double-declining-balance $ Depreciation causes the book value of the assets to each period. When a accelerated depreciation method is used, the rate of return each period