The Sirap Co. bought a new machine at a cost of $200000. The residual value Is at $20000, useful life is 4 years, productive output is 15000 units. The units For year One at 4000, and year Two at 5000. Required: Using the above data calculate the depreciation expense for years One and Two using these FOUR Methods: Straight Line, Sum of the Years Digits, Double Declining Balance, and Productive Output