Alpine Inc. purchased equipment on January 1 of Year 1 with a cost of $225,000. The estimated residual value at the end of its estimated useful life of 6 years is $10,000. Data relating to the equipment follow. Required Compute depreciation expense for Year 1 and Year 2 assuming (1) straight-line, (2) sum-of-the-years'- digits, (3) double-declining-balance, and (4) units-of-production depreciation methods. - Note: Do not round any rates used in your calculations; round your final answers to the nearest whole dollar