Schager Company purchased a computer system at a cost of $24,000. The estimated useful life is 8 years, and the estimated residual value is $8,000. Assuming the company will use the double-declining-balance method, what is the depreciation expense for the second year? (Do not round your intermediate calculations. Round your answer to the nearest whole dollar amount.) $6,000 $6,750 $4,500 $6,000