Humphrey Contractors purchased customized equipment in January, 2017 for $640,000. The manufacturer warranted the equipment for six years. Humphrey used double-declining balance depreciation with a useful life of eight years and no salvage value. After two full years, he now believes that the equipment will only last a total of five years. Compute his depreciation expense for 2019 if he switches to straight-line depreciation. (Round any intermediate calculations to the nearest cent and your final answer to the nearest dollar.) O A. $128.000 O B. $80,000 O C. $96,000 OD. $120,000