Answer:B. expensive and time consuming.
Explanation:
Marketing research are expensive and time consuming there is a possibility that after the research is done management may not implement those discovered findings and if they don't then the money was just wasted. Unlike in academic research because academic researchers actual work with the researched information they always use it to publish their findings, they never not use the information they find through research.
Businesses are always busy trying to run and market the business and there so much involved in running the business alone hence when research demands the time away to focus on it it may be difficult to business people because research is also not just a process you can just do without fully focusing on all of its aspects.