Lexis Company purchased equipment on January 1, 2012 for $35,500. The estimated useful life of the equipment was 7 years and the estimated residual value was $4,000. After using the straight-line method of depreciation for 3 years, the estimated useful life was revised to 9 years on January 1, 2015. How much is depreciation expense for 2015? A) $2,444 B) $3,000 C) $2,000 D) $3,667