Final answer:
The regional manager responsible for finding additional locations for expansion is most likely responsible for a profit center.
Step-by-step explanation:
The regional manager responsible for finding additional locations for expansion is most likely responsible for a profit center. A profit center is a part of a business that generates revenue and incurs costs, and its performance is measured based on profitability. The regional manager's main goal would be to find locations that can generate profit for the restaurant chain.