Maserati Corporation purchased a new machine for its assembly process on August 1, 2015. The cost of this machine was 150,000. The company estimated that the machine would have a residual value of 24,000 at the end of its service life. Its life is estimated at 5 years, and its working hours are estimated at 21,000 hours. Year-end is December 31. Each of the following should be considered unrelated. Compute the depreciation expense under the straight-line depreciation for 2015. Compute the depreciation expense under the activity method for 2015, assuming that machine usage was 800 hours. Compute the depreciation expense under the sum-of-the-years-digits for 2016.(Round answer to 0 decimal places, e.g. 5,275.) Compute the depreciation expense under the double-declining-balance for 2016.