What is one purpose of writing a business plan before entering the market?

1/to prove that the new company will be successful

2/to show that the enterprise is realistically based

3/to have a useful tool when applying for funding

4/to differentiate the new company from the competition

One purpose of writing a business plan before entering the market is to differentiate the new company from the competition. The best strategy to face a perfect competition market is to add more value to your business. You can add more value to your business by differentiating the company from the competition.