A company purchased equipment for $100,000 in 2012. The machine will be used for 10,000 hours and will have a redidual value of $20,000. The equipment was used for 2,400 hours in 2008. How much depreciation will be recorded in 2012 if the company elects the units-of-production method? A.) 19,200 B.) 20,000 C.) 24,000 D.) 10,000