U Company purchased a new piece of manufacturing machinery on January 2, 2016. The machine had a total cost of $270,000 and an estimated salvage value of $30,000. Its useful life is estimated to be 6 years; over its life, it should produce 1,000,000 units of product. During 2017, the machine produced 170,000 units.

Required:

Show calculations for the amount of depreciation expense U will recognize in 2017 under straight-line, units-of-production, and double-declining depreciation methods. Depreciation was recorded normally for 2016. You are calculating depreciation for the second year in the machines life.