Company J invests $1,000,000 in a building, $500,000 in machinery, and $300,000 in vehicles. Allocate the total cost of these assets over their respective useful lives, adhering to the principles of Cost Concept and Duality Aspect concept.

Asset	Total Cost ($)	Estimated Useful Life (Years)	Annual Depreciation Expense ($)
Building	$1,000,000	30	$33,333
Machinery	$500,000	10	$50,000
Vehicles	$300,000	5	$60,000

Allocating the cost of assets over their useful lives ensures that the expenses associated with these assets are matched with the revenue they help to generate, adhering to the Matching Concept. This provides a more accurate representation of the company's profitability over time.