Units of Productivity/Activity Depreciation= (Cost - Salvage) / total units
Asset 1:	2015 Ford F350	Units			Yearly Depreciation	Monthly Depreciation				Depreciation Expense		330
Asset Name:	Vehicles	Year 1	18000	0.22	3960	330				Accumulated Depreciation			330
Cost	24,000	Year 2	21000	0.22	4620	385
Useful Life	7 years	Year 3	15000	0.22	3300	275				Final Balance Sheet Snippet
Salvage Value	2,000	Year 4	12000	0.22	2640	220				Ford F350	24000
Units: Miles	100,000	Year 5	14000	0.22	3080	257				Accumulated Depreciation	-22000		Rounded, adjusted in final month
		Year 6	16000	0.22	3520	293				Net Book Value	2000
Factor:	0.22	Year 7	4000	0.22	880	73		adjust in final year