Rzvision of depreciabon A buliding wish a cost of $240,000 has an estimated residual value of $96,000, has an estimated useful life of 9 years, and is depreciated by the straight-line method. 3. What is the amount of the annual depreciation? Do not round intermediate calculations. b. What is the book value at the end of the fitth year of use? c. If at the start of the siath year it is ectimated that the remaining life is 5 years and that the residual value is $70,000, what is the depeeciation expense for each of the remaining 5 years