ABC Company purchased equipment on January 1 with an original cost of $50,000. Its estimated useful life is 5 years or 180,000 hours and the residual value is $5,000. Usage of the machine for each year is as follows: Year 1 42,000 hours Year 2 37,500 hours Year 3 39,000 hours Year 4 43,200 hours Year 5 31,000 hours Calculate depreciation for the first year using the Units of Production Method. $10,000 $9,000 $10,500 $20,000 $18,000