On January 1, 2015, Zade Manufacturing Corporation purchased a machine for $40, 100,000. The corporation expects to use the machine for 24,000 hours over the next 6 years. The estimated residual value of the machine at the end of the sixth year is $42,000. The corporation used the machine for 4, 600 hours in 2015 and 5, 300 hours in 2016. What is the depreciation expense for the year 2015 if the corporation uses the units - of - production method of depreciation? $7, 677, 768 $6, 683, 327 $12, 252, 555 $13, 366, 667