Ahousehold appliances manufacturer needs a new parts supplier for its washers and dryers. the manufacturer advertises for competitive bids, and four potential suppliers submit their proposals. the manufacturer walks through each of the proposals and discovers two potential suppliers who offers substantial discounts while a third supplier offers less of a discount but better support services. after considering all the proposals, the appliances manufacturer decides on a supplier and begins negotiating the terms of its contract with the supplier. this entire procurement process is known as a