On January 1, 2015, a machine was purchased for $94,500. The machine has an estimated salvage value of $6,300 and an estimated useful life of 5 years. The machine can operate for 105,000 hours before it needs to be replaced. The company closed its books on December 31 and operates the machine as follows: 2015, 21,000 hrs; 2016, 26,250 hrs; 2017, 15,750 hrs; 2018, 31,500 hrs; and 2019, 10,500 hrs. Assume a fiscal year-end of September 30. Compute the annual depreciation charges over the assets life applying each of the following methods