Concept:A customers’ association protects the interests and rights of consumers in the marketplace.Explanation:Such an association works to safeguard consumers from unfair trade practices.It fights against exploitation such as overpricing and poor product quality.It does not aim to lower income tax, raise wages, or push for high product prices.Its main goal is to ensure that consumers receive good quality goods and services.Therefore, advocating for good quality products is a key aim of a customers’ association.Answer:D. Good quality product