When originally purchased, a vehicle costing $24,120 had an estimated useful life of 8 years and an estimated salvage value of $2,200. 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:

a. $5,480.00.

b. $10,960.00.

c. $2,908.00.

d. $5,648.00.

e. $2,740.00.