Correct Option: B. Buying in bulk and selling in small quantities Detailed Explanation: Wholesalers play a crucial role in the supply chain between producers and retailers. Their primary function is to purchase large quantities of goods from manufacturers or producers and then sell these goods in smaller quantities to retailers or other businesses. This process is essential for several reasons:

1. Bulk Purchasing: Wholesalers buy products in bulk, which allows them to negotiate better prices with manufacturers. This bulk buying reduces the cost per unit, which can be beneficial for both the wholesaler and the retailers who purchase from them.
2. Breaking Bulk: One of the key functions of a wholesaler is to "break bulk." This means they take large quantities of products and divide them into smaller, more manageable quantities that retailers can purchase. Retailers often do not have the capacity or the need to buy large quantities of goods, so wholesalers fill this gap.
3. Inventory Management: Wholesalers help manage inventory for retailers. By purchasing in bulk, they can maintain a stock of various products, allowing retailers to order as needed without having to keep large inventories themselves. This reduces the risk of overstocking or stockouts for retailers.
4. Market Reach: Wholesalers often have established networks and relationships with various retailers, which helps manufacturers reach a broader market. They act as intermediaries that facilitate the distribution of products to different regions and types of retailers.
5. Cost Efficiency: By handling the logistics of storage and distribution, wholesalers can help reduce costs for retailers. This efficiency can lead to lower prices for consumers, as the cost savings can be passed down the supply chain.

Why Other Options Are Incorrect:

• Option A: Buying from small-scale producers and selling to exporters This option is incorrect because it misrepresents the typical role of wholesalers. While some wholesalers may work with small-scale producers, their primary function is not to sell to exporters but rather to distribute goods to retailers. Exporting is usually handled by specialized export companies or agents.
• Option C: Granting of credit facilities to retailers While some wholesalers may offer credit facilities to retailers, this is not their major function. The primary role of a wholesaler is to facilitate the buying and selling of goods. Credit facilities are more of a supplementary service that some wholesalers may provide, but it does not define their main purpose.
• Option D: Providing information to manufacturers on market situation Although wholesalers may provide feedback to manufacturers about market conditions, this is not their primary function. Their main role is to facilitate the distribution of goods rather than act as market researchers. The primary focus is on the buying and selling process.

Summary:

• Wholesalers buy products in bulk and sell them in smaller quantities to retailers.
• They help manage inventory and reduce costs for retailers by breaking bulk.
• Their role as intermediaries enhances market reach for manufacturers.
• While they may offer additional services like credit or market information, these are not their primary functions.

This understanding of the wholesaler's role is essential for grasping the dynamics of the supply chain in commerce.