Concept:A retailer buys goods from wholesalers and sells them directly to final consumers in small quantities.Explanation:Retailers stock a variety of goods to meet customer needs.They sell goods in small units to consumers.They may provide after-sales services to build customer satisfaction.Retailers also store goods and assemble them from different suppliers.Financing manufacturers is normally a function of wholesalers or specialised financial institutions, not retailers.Answer:D. Financing manufacturers