बी 2 सी, सी 2 सी आणि बी 2 बी हे_______ चे प्रकार आहेत.

The correct answer is Option C (e-commerce).

Key Points:
• The correct option is (3).
• E-Commerce Classifications:
• E-Commerce (Electronic Commerce) refers to the purchasing, selling, or exchanging of goods and services via electronic networks, predominantly the Internet.
• Major e-commerce business transaction models include:
• 1. B2C (Business-to-Consumer): Transactions between commercial enterprises and end consumers (e.g., purchasing goods on Amazon, Flipkart).
• 2. C2C (Consumer-to-Consumer): Transactions where individual consumers sell directly to other consumers through an online platform (e.g., OLX, eBay).
• 3. B2B (Business-to-Business): Commercial trading conducted directly between two businesses, such as manufacturers and wholesalers (e.g., IndiaMART, Alibaba).
• 4. Other notable models include B2G (Business-to-Government) and C2B (Consumer-to-Business).
• Key Takeaway: B2C, C2C, and B2B are primary commercial transaction classifications of Electronic Commerce (e-commerce).