2- Future Corp. purchased machinery for $279,000 on May 1, 2018. It is estimated that will have of 10 years, residual value of $15,000, production of 240,000 unirts, and working hours at 25.000 Da 2017, Future Corp. uses the machinery for 2,650 hours, and the machinery produces 25,500 units Required: Compute the depreciation charge for 2019 under each of the following methods. (a) Straight-line. (2 marks) (b) Units-of-output. (2 marks) (c) Working hours. (2 marks) (d) Sum-of-the-years-digits. (2 marks) (e) Double-declining-balance. (2 marks)