When a buying firm submits a description of the desired product or service and seller place bids to fulfill the buyer's needs, this is known as a(n) ______. Group of answer choices reverse auction competitive marketplace inverse transaction bidding warAn alternative approach to a reverse auction that may be less damaging to the buyer-seller relationship is a(an) ______. Group of answer choices request for quotes (RFQ) request for proposals (RFP) materials requisition