On January 1, 2016, Martini, Inc. acquired a machine for $1,050,000. The estimated useful life of the asset is five years. Residual value at the end of five years is estimated to be $100,000. What is the book value of the machine at the end of 2017 if the company uses the straight-line method of depreciation? A) $570,000 B) $670,000 C) $629,996 D) $630,000