When originally purchased, a vehicle costing $23.760 had an estimated useful life of 8 and an estimated savage value of $2,000. 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: $10, 880 00. $2, 888.00 $5, 440.00. $5, 608 00 $2, 720.00