A storage tank acquired at the beginning of the fiscal year at a

cost of $$235,000$ has an estimated

residual value of $$17,000$ and an estimated useful life of $8$ years.

Determine the following: $($a$)$ the

amount of annual depreciation by the straight$$line method and $($b$)$

the amount of depreciation for the

first, second, and third years computed by the

double$$declining$$balance method.