Concept:Supermarkets are large self-service retail stores where a wide variety of products, especially food and household items, are displayed openly with clearly marked prices for customers to pick and pay for at checkout counters.
Explanation:Let us examine each option carefully.
A supermarket typically operates on a cash-and-carry basis.
Therefore, it does not give credit to reliable customers, so option A is incorrect.
A supermarket deals in a wide range of goods, including food, toiletries, kitchenware, and medicines.
It does not specialise in one line of product, so option B is incorrect.
In a supermarket, goods are arranged on shelves and display racks with price tags clearly shown.
This allows customers to see prices easily and serve themselves, making option C correct.
Because a supermarket stocks large volumes of many items, it needs adequate storage facilities.
Hence, option D is incorrect.
Answer:C. Goods are on display with price tags