Answer:
A) Request for proposal (RFP)
Step-by-step explanation:
Request for proposal is a document generated by a company which is basically describing its need and criteria for fulfilling the requirement by the company. In this the company demands proposals for the eligible vendors fulfilling the criteria and requirement as mentioned in the request for proposal.
When there are competitive proposals then company can prepare this and ask the vendors eligible to put there conditions and letters so that the most favorable ones can be asked to put the quotations.