Answer:
Step-by-step explanation:
The decline stage of the product life cycle is the one where the product ultimately becomes obsolete or dies due to the low or negative growth rate in sales .
Decline Stage: The decline stage of the product life cycle is the terminal stage where sales drop and production is ultimately halted.
As a number of companies start to dominate the market, it becomes increasingly difficult for the company in question to maintain its level. As new technologies emerge making the product become ultimately obsolete as in the case of(The SoundBoy) portable radios and now smart phones, tablets and other gadgets.