On January 1, 2015, Co. purchased a machine for $20,000,000. The company expects to use the machine for 30,000 hours over the next 5 years. The estimated sale value of the machine at the end of the sixth year is $50,000. The company used the machine for 3,600 hours in 2015 and 5,000 hours in 2016. What is depreciation expense for the year 2015 if the company uses the units-of-production method of depreciation?