Answer:
A. USER
Explanation:
Buying center can be defined as a group of individuals within an organization or family that makes decisions about substantial purchases. There are 5 main roles of the buying center, we have:
1. Users
2. Buyers
3. Influencers
4. Deciders
5. Gatekeepers
are the ones that uses the products, initiate purchase process, generate purchase spec, and evaluate product performance after the purchase.
Bruce belongs to this category as he's the one using the copier and finding out it's always jammed.