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On October 1. 2005, Dole Company places a new asset into service. The cost of the asset is $40,000 with an estimated 5-year life and $10,000 salvage value at the end of its useful life. What is the depreciation expense for 2005 if Dole Company uses the straight-line method of depreciation? What is the book value of the plant asset on the December 31, 2005, balance sheet assuming that Dole Company uses the double-declining-balance method of depreciation