Equipment with a cost of $170,000 has an estimated residual value of $20,000 and an estimated life of 5 years or 12,000 hours. It is to be depreciated by the straight-line method. What is the amount of depreciation for the first full year, during which the ment was used 3,300 hours? $34,000 O $41.250 $46.750 $30.000