Answer:
<u>1. User</u>
<u>2. Initiator</u>
<u>3. Influencer</u>
<u>4. Gatekeeper</u>
<u>5. Buyer</u>
<u>6. Decider</u>
<u>Explanation:</u>
A <u>buying center</u> is comprised of a group of individuals in an organization that play specific roles in the business purchase decisions.
1. Customers who come into Caffè Gustoso's Naperville location are the <em>User</em> because they will benefit primarily from the relaxing ambience the fish tanks will create.
2. One of the owner's spouses who recently visited an upscale coffee shop in San Francisco whose internal walls were created out of fish tanks is the <em>Initiator</em> of the purchase.
3. Since the owners talked to a tropical fish retailer to gain some information and inspiration about what fish to acquire for the tanks. The fish retailer is <em>influencer</em>, because he suggestions might affect the outcome of the decision.
4. Caffè Gustoso's secretary that collects, sorts, and organizes all of the fish tank catalogs and bids submitted in <em>response</em> to the request for fish tank proposals is <em>Gatekeeper</em>, because he controls the flow of information.
5. The purchasing agent who completes the transaction by placing the order and negotiating delivery and installation is the <em>Buyer</em>, in the sense of been responsible for the purchase contract.
6.The co-owners of Caffè Gustoso who review the proposals submitted by the tropical fish companies and choose a finalist act as <em>Decider</em> because they make the final decision.