Answer:
The length of time it is productively used in a company's operations.
Explanation:
Plant Assets are simply said to be the tangible properties (assets) used in a company's operations which by the way must have a useful life of more than one accounting period. It is widely called plant and equipment asset; property asset or fixed assets.
Useful Life is simply the amount of time(usually estimated) an asset(e.g. Plant asset) can be used in a business.
