4 Wynn Furnace Corp. purchased machinery for $345,000 on May 1, 2014. It is extimated that it will have a useful life of 10 years, scrap value of $45,000, Production of 120,000 units, and working hours of 12,500. During 2015 Wynn uses the machinery for 2,000 hours, and the machinery produces 25,000 units Instruction: From the information given, compute the depreciation charge for 2015 under each of the following methods. (round to three decimal places). Straight-Line Units-of-output Working Hours Sum-of-the-years-digits Declining-balance. (Use 20% as the annual rate