Question: Computing Book Value (Double-Declining-Balance Depreciation) Calculate the book value of a two-year-old machine that cost $200,000, has an estimated residual value of $40,000, and has an estimated useful life of four years. The company uses double-declining-balance depreciation. Round to the nearest dollar. The response must be typed, single spaced, must be in times new roman font (size 12) and must follow the APA format.