Answer:
The customers, the industry, the competitors and the competition
Step-by-step explanation:
Marketing researcher's type of work links them to producers, customers, and end users to the marketer. They gather information used to identify, define marketing opportunities and problems. They equally generate, refine, and evaluate marketing actions; monitor marketing performance. They know how to designs the method for collecting information, manages and implements the data collection process, analyzes the results, and communicates the findings and their implications. Since they are able to gather this amount of information and data theyare more likely to know the customers, the industry and their competitore and whole lot more