Equipment was purchased for $50.000 The equipment is expected to be used 15.000 hours over its useful life and then have a residual value of $10,000. In the first two years of operation, the equipment was used 7,700 hours and 3.300 hours, respectively. What is the equipments accumulated depreciation at the end of the second year using the activity based method? $15.000 52200 38.800 $20,000