Explain why intangible assets with indefinite lives must be annually tested for impairment while intangible assets with

Question:

Explain why with indefinite lives must be annually tested for impairment while with finite lives need not always undergo this test.
Intangible Assets
An intangible asset is a resource controlled by an entity without physical substance. Unlike other assets, an intangible asset has no physical existence and you cannot touch it.Types of Intangible Assets and ExamplesSome examples are patented...