Answer:
Business analysis stage
Step-by-step explanation:
New product development is a process of taking the advantage of existing market opportunities to introduce new products through invention ,innovation or modification of existing products.
To ensure the successful launching of a new products , series of steps are observed as guidelines so that non viable ideas can be dropped early.
One of the guidelines is business analysis which is about assessing the survival and the commercial value of the potential product through cost , revenue , market size and profit