Jeff aspires to be a member of the golf team at work. He has begun to dress like the members, wearing khakis and polo shirts each Friday to work and has joined the same country club. He goes out of his way to speak to the golf team members in the hallway and has purchased the same brand of golf clubs all the team members own. The golf team would be considered Jeff's .

reference group

Explanation:Reference group is a group that one's uses as their point of reference in terms of how they form certain attitude , values , beliefs and behavior , they base all of these to that particular group.

For example Jeff looks up to the gold team cause he aspires to be one of them , then he starts dressing like them ,this means he uses this group as a point of reference for him on how to dress up as part of that group.

the answer is:

c. economic output

south, because if you took a map you would see texas is directly in the middle of east and west, but it is also downwards towards mexico, therefore it is south