Revision of Depreciation quipment with a cost of $952,600 has an estimated residual value of $109,600, has an estimated useful life of 30 years, and is depreciated by the straight-line method . Determine the amount of the annual depreciation. 28,100 Determine the book value after 18 full years of use. 446,800 . Assuming that at the start of the year 19 the remaining life is estimated to be 16 years and the residual value is estimated to be $109,200, determine the depreciation expense for each of the remaining 16 years. 19,343.7