Depreciation: Straight-Line and Double Declining Balance Equipment acquired at the beginning of the fiscal year at a cost of $160,000 has an estimated residual value of $4,500 and an estimated useful life of 20 years. a. Determine the amount of annual depreciation by the straight-line method. $ b. Determine the amount of depreciation for the first and second years computed by the double-declining-balance method. Depreciation Year 1 $ Year 2