On January 1, 2019 springer spring manufacturing corporation purchased a machine for $2,500,000. The corporation expects to use the machine to make 750,000 springs over the next five years. The estimated residual value of the machine at the end of the third year is $150,000. The corporation used the machine to make 175,000 springs in 2019, 160,000 springs in 2020 and 145,000 springs in 2021, 135,000 in 2022, and 135,000 in 2023. Calculate depreciation expense for 2019 corporation uses the units-of-production method of depreciation.