Answer:
Step-by-step explanation:
Answer is - maturity stage
The maturity stage of the product life cycle shows that sales will eventually peak and then slow down. During this stage, sales growth has started to slow down, and the product has already reached widespread acceptance in the market, in relative terms.
As it is given, company has had remarkable sales but over the last few years, sales of Krayons have been stagnant. Hence, company is in the maturity stage.