The correct answer is B. To understand what people want.
Step-by-step explanation
A market study is a tool to collect information about the public's preference for a product. In addition, with this tool, you can analyze where you are concerning your competitors. Generally, this tool is intended to improve your business strategies thereby increasing your competitiveness. Therefore, a market study is a great option for the XYZ company, because it can replace its products that do not sell very well with others that are demanded by the public. So the correct answer is B. To understand what people want.