Headland Corp. purchased machinery for exist368, 550 on May 1, 2017. It is estimated that it will have a useful life of 10 years, salvage value of exist17, 550, production of 280, 800 units, and working hours of 25,000. During 2018, Headland Corp. uses the machinery for 2, 650 hours, and the machinery produces 29, 835 units. From the information given, compute the depreciation charge for 2018 under each of the following methods. (a) Straight-line exist (b) Units-of-output exist (c) Working hours exist (d) Sum-of-the-years-digits exist (e) Declining-balance (use 20% as the annual rate exist