Answer: c. material
Explanation:
Material benefits refer to the financial benefits that one gets from being part of a group. They usually refer to group members getting discounts on certain things as well as being charged with a different rate than others.
Henry being in the AARP gets the material benefit of being able to get discounts at many different stores and businesses. It is the country's way of trying to ease the burden of being retired after working for so long.
