A new machine has an initial cost of $300,000, an estimated useful life of 2,000 hours of use over a 3-year period, and an estimated residual value of $70,000. Usage rates are estimated as 500 hours in the first year, 700 hours in the second year, and 800 hours in the third year. Depreciation expense in Year 2 under the units-of-production method of depreciation will be