Depreciation by Two Methods A storage tank acquired at the beginning of the fiscal year at a cost of $90,000 has an estimated residual value of $12,000 and an estimated useful life of 25 years. a. Determine the amount of annual depreciation by the straight-line method. s b. Determine the amount of depreciation for the first and second years computed by the double-declining-balance method. Depreciation Year 1 $ Year 2 $ 10 more Check My Work uses remaining