(12 points) Robert Parish Corporation purchased a new machine for its assembly process on January 1, 2014. The cost of this machine was $215,900. The company estimated that the machine would have a salvage value of $15,900 at the end of its service life. Its life is estimated at 4 years, and its working hours are estimated at 40,000 hours. Year-end is December 31.InstructionsCompute the depreciation expense under the following methods and complete the depreciation schedules below. (a) Straight-line depreciation.(b) Activity method for 2014 and 2015, assuming that machine usage was 15,000 hours for 2014; 11,710 hours for 2015; 12,150 hours for 2016 and 1,140 hours for 2017.(c) Sum-of-the-years'-digits.(d) Double-declining-balance.