On January 1, 2019, Williams Company Purchased a Copy Machine

On January 1, 2019, Williams Company purchased a copy machine. The machine costs $160,000, its estimated useful life is 8 years, and its expected salvage value is $10,000. What is the depreciation expense for 2020 using double-declining-balance method?

A) $40,000
B) $30,000
C) $26,250
D) $17,500