Answer:
3) Maturity
Step-by-step explanation:
The four stages of a product's life cycle are:
- introduction
- growth
- maturity
- decline
The maturity stage happens when a product has consolidated itself in the market, sales reach their highest point and competing companies will fight to keep their existing market shares because the market has stopped growing. Any increase in sales, means a competitor is losing market share.
This is also the most profitable stage, since marketing efforts are less intensive and focus more on defensive strategies. Many companies start to develop adaptations of their original products to keep consumer interest high, e.g. Diet Coke, then Coke Zero.
The length of this stage varies a lot depending on the industry, e.g. electronics last a very short time, while Coke and Tide have been up there for many years.