During which stage of the Product Life Cycle (PLC) do profits peak and sales growth begin to slow down due to market saturation?

Explanation

* The Maturity Stage is reached when product adoption spreads across most potential buyers, causing sales growth to plateau and profits to peak/decline.
* Introduction has negative profits; Growth features rapid sales growth; Decline experiences falling revenues.
* Marketers in the maturity stage focus on brand defense, market modification, and product line extensions.