Hannah, a computer engineer at Imagework Inc., observes that a few computers in her office need an upgrade as they seem to have various performance-related issues. After preliminary research, she thinks it is better to have the computers replaced rather than upgrading them as that would be more cost effective. She begins the purchasing process by issuing a buying tender to her manager. In this scenario, Hannah plays the purchasing role of a(n) .

a. initiator

b. decider

c. gatekeeper

d. influencer