A machine with a cost of $68,405.00 has an estimated residual value of $5,052.00 and an estimated life of 6 years or 15,366 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 4,669 hours? Do not round your intermediate calculations. O $20,785.04 $19,249.98 O $21,117.67 $10,558.83