When originally purchased a vehicle had an estimated useful life of 10 years. The vehicle cost $37,000 and its estimated residual value is $4,000. After 3 years of straight-line depreciation, the asset's total estimated useful life was revised from 10 years to 5 years and there was no change in the estimated residual value. The Depreciation Expense in year 4 is: Multiple Choice $2,585 $11,550 $6,600 56,325