Answer: The Third statement
Explanation: From Gans highlights, it can be deduced that there are poor people in the society, and basically what this passage says is that "Poor people tend to contribute positively to the society for affluent members" which means that there is an hierarchy in the society and the poor people are positive contributors. This leads to the third statement that "Within a relatively hierarchical society, the existence of poor people guarantees the higher status of the more affluent" because of the positive economic, political, and social functions they contribute.