on March 31, 2018, Canseco Plumbing Fixtures purchased equipment for $68,000. Residual value at the end of an estimated four-year service life is expected to be $8,000. The company expects the machine to operate for 12,000 hours.

Calculate depreciation expense for 2018 and 2019 using sum-of-the-years-digits method. Sum-of-the-years' digits depreciation Depreciable Base x Rate per Year x Fraction of Year = Depreciation Expense.

expense for 2018 and 2019 using sum-of-the-years-digits method.

Sum-of-the-years' digits depreciation
	Depreciable Base	x	Rate per Year	x	Fraction of Year	=	Depreciation Expense
4/1/2018 through 12/31/2018	$60,000	x	4/10	x	9/12	=	$18,000
Total depreciation expense - 2018							$18,000
1/1/2019 through 3/31/2019	$60,000	x	4/10	x		=	$
4/1/2019 through 12/31/2019	$	x		x		=	$
Total depreciation expense - 2019							$