Product Life Cycle | Stages and Limitations of Product Life Cycle (PLC) Product Life Cycle Product life cycle is a business analysis that attempts to identify a set of common stages in the life of commercial products. In other words the 'Product Life cycle' PLC is used to map the lifespan of the product such as the stages through which a product goes during its life span. Graph of Product Life Cycle Product life cycle is the course of a product’s sales and profits over time. Product life cycle (PLC) deals with the life of a product in the market with respect to business or commercial costs and sales measures. The five stages of each product lifecycle are product development, introduction, growth, maturity and decline. A company’s positioning and differentiation strategy must change as the product, market, and competitors change over the product life cycle(PLC) When we say that a product has a life cycle we assert four things: Products have a limited