On January 1, 2015, a machine was purchased for $101,700. The machine has an estimated salvage value of $6,780 and an estimated useful life of 5 years. The machine can operate for 113,000 hours before it needs to be replaced. The company closed its books on December 31 and operates the machine as follows: 2015, 22,600 hrs; 2016, 28,250 hrs; 2017, 16,950 hrs; 2018, 33,900 hrs; and 2019, 11,300 hrs. Y (a) Compute the annual depreciation charges over the machine's life assuming a December 31 year-end for each of the following depreciation methods. (Round answers to O decimal places, e.g- 45,892., (1) Straight-line Method (2) Activity Method Year 2015 2016 2017 2018 2019 (3) Sum-of-the-Years'-Digits Method Year 2015 2016 2017 2018 2019 (4) Double-Declining-Balance Method Year 2015 2016 2017 2018 2019