Choose the best suitable definition to the following words

Business to Business (B2B) _________________	commerce transactions between businesses, such as between a manufacturer and a wholesaler, or between a wholesaler and a retailer.	- the collecting of units or parts into a mass or whole. See data aggregation	commercial activities of businesses serving end consumers with products and/or services. Also Business-to-Customer.
- The ability of citizens to gain entree to services and information.
Business to Consumer (B2C) _______________	commercial activities of businesses serving end consumers with products and/or services. Also Business-to-Customer.	online interaction between and among Government organizations, departments, and authorities.	abbreviation of Application Program Interface. A set of routines, protocols, and tools for building software applications.	- the collecting of units or parts into a mass or whole. See data aggregation
Business to Government (B2G) ___________________________________________	commercial marketing of products and services to government agencies through integrated marketing communications techniques such as strategic public relations, branding, marcom, advertising, and web-based communications.