Jordan Co. has purchased a machine on June 1 , Year 1 for $89,000. It is estimated that the machine will have a $5,000 salvage value at the end of its service life. Its service life is estimated to be 7 years, and its total production is estimated at 525,000 units. During Year 1 , the machine has produced 55,000 units. During Year 2, the machine has produced 48,000 units. Compute depreciation expense on the machine for the year ending December 31 , Year 1 and the year ending December 31 , Year 2 using the following methods. a) Straight-line b) Units of Production c) Sum-of-the-Year's Digits d) Double Declining-Balance