When originally purchased, a vehicle had an estimated useful life of 8 years. The vehicle cost $28,000 and its estimated salvage value is $1,500. After 4 years of straight-line depreciation, the asset's total estimated useful life was revised from 8 years to 6 years and there was no change in the estimated salvage value. The depreciation expense in year 5 equals: Group of answer choices $5,375.00 $6,625.00 $13,750.00 $2,856.25 $2,687.50