Discuss the different types of pricing strategies and methodologies confronted by Purchasing and Supply Management professionals in the acquisition of goods and services – in particular cost- and market-based pricing, value-based pricing, penetration and predatory pricing, life cycle pricing, and segmented pricing. Differentiate between customer-driven and competition-driven pricing and their affect on the buying organization’s willingness and ability to purchase a particular good or service. What is the role of Purchasing and Supply Management professionals as “gatekeepers” who control the flow of information and external contacts with suppliers? Are these professionals considered decision makers with respect to product and supplier selection as well as price acceptance?