On January 1, 2018, Canseco Plumbing Fixtures purchased equipment for $58,000. Residual value at the end of an estimated four-year service life is expected to be $10,000. The company expects the machine to operate for 15,000 hours. The machine operated for 3,600 and 4,400 hours in 2018 and 2019, respectively. a. Calculate depreciation expense for 2018 and 2019 using straight line method. (don't need) b. 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	=	Depreciation Expense
2018		x		=
2019		x		=

C. Calculate depreciation expense for 2018 and 2019 using double-declining balance method.

	Depreciation for the Period			End of Period
Annual Period	Beginning of Period Book Value	Depreciation Rate (%)	Depreciation Expense	Accumulated Depreciation	Book Value
2018
2019

d. Calculate depreciation expense for 2018 and 2019 using units-of-production method (using machine hours).

(Round "Depreciation per machine hour" answers to 2 decimal places.)

Select formula for Units of Production Depreciation:
Calculate 2018 depreciation expense:
Depreciation per machine hour
Machine hours in 2018
Depreciation in 2018
Calculate 2019 depreciation expense:
Depreciation per machine hour
Machine hours in 2019
Depreciation in 2019