A building with a cost of $660,000 has an estimated residual value of $264,000, has an estimated useful Iife of 18 years, and is depreciated by the straight-ine method. c. If at the start of the eleventh year it is estimated that the remaining life is 10 years and that the residual value is $:90,000, what is the depreciation expense for each of the remaining 10 years