A construction company invites tenders for a plumbing contract.AB Plumbs,a company offering plumbing services,sends a quotation to the construction company.Which of the following types of communication has AB Plumbs used in this scenario?

A) Grapevine communication
B) External communication
C) Informal communication
D) Oral communication

External Communication

Meaningful exchange of information through messages transmitted between an organization and its major audiences.

Grapevine Communication

An informal method of spreading information through social networks within an organization, not based on formal channels.

Informal Communication

This is the unofficial, casual form of communication that occurs within an organization, often referred to as the grapevine.