PRODUCT LIFE CYCLE

Lexics
To find out (verb) – to get some knowledge, information;
Distinct (adj.) – definite, clear;
Decline (noun) – falling off, regression;
Maturity (noun) – experience, reliability;
Volume (noun) – quantity, amount;
Awareness (noun) – recognition, knowledge;
Counter-optimal costs - costs added to enhance the product sales do nothing to improve the sales. They simply decrease the profit.

The importance of PLC
The key concept in market selection and product planning is the product life cycle.
Companies can make better marketing decisions if they find out where each of their products stands in its life cycle.

Definition
Product life-cycle is the series of strategies used by business management as a product goes through its life-cycle.
The conditions in which a product is sold changes over time and must be managed.

Products have such features as:
Products have a limited life,
Product sales pass through distinct stages, each has different problems to the seller,
Products require different marketing, financing, manufacturing, purchasing, and human resource strategies in each life cycle stage.

The four main stages of a product's life cycle
introduction,
growth,
maturity,
decline.