Final answer:
C2B, or Consumer-to-Business, is not a type of e-commerce business. In traditional e-commerce, businesses sell products or services to consumers (B2C), businesses sell products or services to other businesses (B2B), and consumers sell products or services to other consumers (C2C).
Step-by-step explanation:
The correct answer is C2B. C2B, or Consumer-to-Business, is not a type of e-commerce business. In traditional e-commerce, businesses sell products or services to consumers (B2C), businesses sell products or services to other businesses (B2B), and consumers sell products or services to other consumers (C2C). However, in a C2B model, consumers sell their products or services to businesses. This type of e-commerce is less common but can sometimes occur in situations where consumers have valuable skills or products that businesses are willing to pay for.