Option A , Innovators still earn profits, but this stage is less profitable for them than the previous stage.
Explanation:
The second phase in the product life cycle is the stage of growth, and this is a crucial stage for several manufacturers to achieve a market position, increase sales and improve profitability.
The period of growth is that in time the product will be accepted by consumers, business and the general public more and more. During this phase, the product or innovation is acknowledged on the market and sales are therefore beginning to rise.
The extent to which a product keeps moving from the start to the growth stage and the rapid increase in revenue can vary significantly from market to another.