Which of the following is true about an opportunity​ niche? A. Opportunity niches are a myth because all customer needs are fulfilled by someone in the marketplace. There are no opportunity niches to be found. B. Customer demand for the good or service is​low, leading to lower prices. C. A need or want a customer has is currently going underserved or unserved. D. Large companies often serve all customer​ needs, leading to little opportunity for entrepreneurs to start new businesses. E. The marketplace for the desired good or service is saturated with​ competition, making it difficult to serve customers.