On January 1, 2018, Sanderson, Inc. acquired a machine for $1,110,000. The estimated useful life of the asset is five years. Residual value at the end of five years is estimated to be $56,000. What is the book value of the machine at the end of 2019 if the company uses the straight-line method of depreciation? O A. $632,400 O B. $666,000 O C. $688,400 O D. $665,996