Answer:
The correct answer would be option D, Improve your product quality.
Step-by-step explanation:
A whole lot research of the market is done before manufacturing a product by a company in order to fully satisfy the customers needs through the product. The needs and demands of the customers are being researched. Once the target market has been found, business is on track and the customers are satisfied, then ongoing research can improve your product quality. Continuous research will give us an insight into the changing preferences of the clients and thus with the help of this research, company can improve the quality of its product according to the satisfaction level of the customers.