In the workplace,a formal invitation to bid on a contract is called a

A) business offering.
B) request for proposals.
C) bid requisition.
D) project invitation.
E) white paper.

A formal invitation to bid on a contract is typically referred to as a "request for proposals" (RFP). This is a common term used in the procurement and contracting process to solicit competitive bids from potential vendors or suppliers. While other answer choices may be used in different contexts, "request for proposals" is the most appropriate and commonly used term in this scenario.