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.