Concept:A wholesaler acts as an intermediary who buys goods in bulk from producers and sells smaller quantities to retailers, rather than to end users.
Explanation:The sentence describes someone who buys in bulk from producers and then sells to retailers.
In the chain of distribution, goods move from producer to wholesaler, then retailer, and finally to the consumer.
Buyers and consumers are the final users, so they do not buy in bulk to resell.
Shareholders are part-owners of a company and are not involved in physical trading.
Therefore, only wholesalers fit the description given.
Answer:B. wholesalers