On January 1, 2018, a machine is purchased for $110,000. It is expected to have a useful life of 8 years, during which time it is expected to be used for 20,000 hours. The salvage value is $20,000. it is used for 5,000 hours in 2018 and 4,000 in 2019 . What is 2019 Depreciation Experse? (The company uses the units-of-production method.) Select one: : $18,000 b. 540,500 c. $13,750 d. 320,000 e. 522,000