Answer:
c. an estimate of a plant asset's value at the end of its useful life
Explanation:
The salvage value or the residual value is the estimated value of the fixed asset which can be received at the end of its useful life. So, neither it is a fair market value of a plant asset , nor it is deducted from the accumulated depreciation.
The treatment of the residual value under the straight-line method or any other method is shown below:
The depreciation expense under the straight-line method is shown below:
= (Original cost - residual value) ÷ estimated life in years
The residual value should always be deducted from the original cost of fixed asset