On January 1, 2018, a machine was purchased for $112,500. The machine has an estimated salvage value of $7,200 and an estimated useful life of 5 years. The machine can operate for 117,000 hours before it needs to be replaced. The company closed its books on December 31 and operates the machine as follows: 2018, 23,400 hrs; 2019, 29,250 hrs; 2020, 17,550 hrs; 2021, 35,100 hrs; and 2022, 11,700 hrs.

(a)

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Compute the annual depreciation charges over the machines life assuming a December 31 year-end for each of the following depreciation methods. (Round answers to 0 decimal places, e.g. 45,892.)

1.		Straight-line Method		$
2.		Activity Method
		Year
		2018		$
		2019		$
		2020		$
		2021		$
		2022		$
3.		Sum-of-the-Years'-Digits Method
		Year
		2018		$
		2019		$
		2020		$
		2021		$
		2022		$
4.		Double-Declining-Balance Method
		Year
		2018		$
		2019		$
		2020		$
		2021		$
		2022		$