When originally purchased, a vehicle had cost $23,000, with an estimated residual value of $1,500, and an estimated useful life of 8 years. After 4 years of straight-line depreciation, the estimated useful life was revised from 8 to 6 years, but with zero residual value. The depreciation expense in year 5 should be Multiple Choice o $5,543.75 o $2.687.50 o $6,125.00 o $10,750.00 o $2,856.25