Answer:
C. Maturity
Explanation:
Maturity stage is the stage in a product life cycle where sales of product reaches peak and then it eventually slows down. At this stage, sales begins to decline, while cash flow stays relatively constant. The maturity stage is said to be the longest in the product cycle. In this stage, the product has been established in the market and reached the apec in sales and volume. Companies at this stage try in reinventing themselves to avoid the full on decline. There is an intense competition for market share at this stage also as the major market is those of late adopters.