What is the difference between a B$2$C and a C$2$B$?$

Multiple Choice

B$2$C focuses on companies as customers, and C$2$B focuses on consumers as customers.

B$2$C focuses on collaboration, and C$2$B focuses on consumers.

B$2$C focuses on business to consumers, and C$2$B focuses on consumers to business.

B$2$C focuses on consumers as customers, and C$2$B focuses on companies as customers.