Depreciation Methods A machine costing $473,850 was purchased May 1. The machine should be obsolete after three years and, therefore, no longer useful to the company. The estimated salvage value is $17,550. Calculate the depreciation expense for each year of its expected useful life using each of the following depreciation methods: (a) straight-line, (b) double-declining balance. Assume the company has a calendar year end. Do not round any rates. Round final answers to the nearest dollar. Straight-line DDB Year 1 $ $ Year 2 Year 3 Year 4 $ Check Previous Save Answers Next