Growth Stage:

"The product life cycle stage in which a product's sales
start climbing quickly".

Profit increase during the growth stage, as promotion costs spread over a large volume and unit
manufacturing costs fall. The firm uses several strategies to sustain rapid market growth as long as possible, it improves product quality and adds new product features and models. It enters new market segments and new distribution channels. It shifts some advertising from building product awareness to building product conviction and purchase and it lowers prices at the right time to attract more buyers.