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A machine which cost $100,000 is acquired on October 1, 2020. Its estimated salvage value is $20,000 and its expected life is 4 years. Instructions: Calculate depreciation for each year using: A. Double Declining Balance B. Sum of the Years Digits A machine which cost $100,000 is acquired on October 1,2020 . Its estimated salvage value is $20,000 and its expected life is 4 years. Instructions: Calculate depreciation for each year using: A. Double Declining Balance B. Sum of the Years Digits