Detail why you want a job with this specific company. Base your answer to this retail job interview question on what you have learned about the company from your pre-interview research. How does this company differ from the competition? What about the way it operates attracts you? What interesting innovations have the company introduced such as customer loyalty programs, on-line services etc.
The company will expect you to have done your homework. Know the main competitors and be aware of current industry trends. The Internet is a useful source of information. Trade magazines, such as "The Grocer" or "Marketing Week" also carry a great deal of useful information.