Question 4 Oriole Corp, purchased machinery for $355,950 on May 1, 2017. It is estimated that it will have a useful life of 10 years, salvage value of $16,950, production of 271,200 units, and working hours of 25,000. During 2018, Oriole Corp. uses the machinery for 2,650 hours, and the machinery produces 28,815 units. From the information given, compute the depreciation charge for 2018 under each of the following methods. (Round intermediate calculations to 2 decimal places, eg 5.25and final answers to O decimal places, e.g. 45,892) (a) (b) (c) (d) (e) Straight-line Units-of-output Working hours Sum-of-the-years'-digits Declining-balance (use 20% as te annual rate) $