A company purchased a computer system at a cost of $26,000. The estimated useful life is 7 years, and the estimated residual value is $1000. Assuming the company uses 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.) Multiple Choice 57.556 $4.556 $5,306 O $6,806