Answer:
test marketing stage
Step-by-step explanation:
Test marketing stage -
It is the method , where the population is made to decide about the sample of any product before the complete launch of the product , is known as test marketing stage .
This method helps to get the proper opinion of the product , whether it can survive in the market or not , before the launch of the complete range of product .
hence , from the question , the correct term for the given information of the question is test marketing stage .