A specialty greeting card company purchased your photocopier costing $45,000 on January 1, 2017. The equipment is expected to produce a total of 4,000,000 copies over its productive life. Its residual value at the end of its useful life is estimated to be $5000. The equipment actually produced- Fiscal year copies produced 2017 650,000 2018 798,000 2019 424,000 2020 935,000 2021 1,193,000 calculate depreciation from 2017 to 2020 using the units of production method. The year end is December 31.