A plant asset was purchased on January $1$ for $$48500$ with an estimated salvage value of $$10000$ at the end of its useful life. The

current year's depreciation expense is $$3500$ calculated on the straight$-$line basis and the balance of the Accumulated Depreciation

account at the end of the year is $$17500.$ The remaining useful life of the plant asset is

$6$ years.

$14$ years.

$11$ years.

$5$ years.