Marcus, the human resource director at a commercial laundry is having trouble providing the labor needs for the business. In a trade journal, he read about a VAC Soil Counting System that is a computerized system for sorting and counting incoming soiled textiles. The system can reduce labor costs by up to 50 percent. He is encouraging Benji, the floor supervisor to buy the system, but Benji says while he liked to see such a system used by the laundry, that type of decision has to be approved by the laundry company's owner. In terms of the buying center, Marcus the HR director is a(n) , Benji, the supervisor is a(n) , and the owner is a(n) .