41 Before you start a business, it is importance to undertake market research

　　42 and to assess the results with great care: you need to finding out about your

　　43 potential customers and the state of the market, included your competitors.

　　44 The more detailed your market research are, the more profitable your business

　　45 is likely to be. Carry out your study thorough, and repeat it to ensure your results

　　are reliable.