. Computer equipment was acquired at the beginning of the year at a cost of $57,000 that has an estimated residual value of $9,000 and an estimated useful life of 5 years (16 points) a. Determine the 1st and 2nd year's depreciation using straight-line depreciation. Answers: Year 1: Year 2: b. Determine the 1st and 2nd year's depreciation using double-declining-balance depreciation. Answers: Year 1: Year 2: