The correct answer is A. Speaker 2
Step-by-step explanation:
A speaker that represents an economic interest group would likely refer to economic benefits, economic growth, profit, etc. as the focus of this speaker would be to defend the economic rights of people. In this context, the one that is likely a representative of an economic interest group is speaker 2 because the focus of this speaker is to defend an increase in wages, which is a factor directly related to money and the economic right to work and receive a fair wage for this. According, to this, the correct answer is A.