2. Windsor Corporation purchased a new machine for its assembly process on August 1, 2020. The cost of this machine was $136,500. The company estimated that the machine would have a salvage value of $17,700 at the end of its service life. Its life is estimated at 5 years, and its working hours are estimated at 20,000 hours. Year-end is December 31. Compute the depreciation expense under the following methods. Each of the following should be considered unrelated.

(a)		Straight-line depreciation for 2020		$enter a dollar amount
(b)		Activity method for 2020, assuming that machine usage was 700 hours		$enter a dollar amount
(c)		Sum-of-the-years'-digits for 2021		$enter a dollar amount
(d)		Double-declining-balance for 2021		$enter a dollar amount

3. Kingbird Corporation acquires a coal mine at a cost of $484,000. Intangible development costs total $121,000. After extraction has occurred, Kingbird must restore the property (estimated fair value of the obligation is $96,800), after which it can be sold for $193,600. Kingbird estimates that 4,840 tons of coal can be extracted. If 847 tons are extracted the first year, prepare the journal entry to record depletion.

Account Titles and Explanation	Debit	Credit
enter an account title	enter a debit amount	enter a credit amount
enter an account title	enter a debit amount	enter a credit amount