A machine with a cost of $79,320.00 has an estimated residual value of $4,288.00 and an estimated life of 5 years or 15,580 hours. It is to be depreciated by the units-of-output method. What is the amount of depreciation for the second full year, during which the machine was used 3,879 hours? Do not round your intermediate calculations. $18,680.95 $15,00640 $19,748.54 $30.012.80