Concept:This question tests the method of automatic retailing where goods are sold without a human seller.
Explanation:A vending machine is a coin-operated or card-operated machine that accepts payment and automatically delivers products like drinks, snacks, or cigarettes.
It eliminates the need for a sales attendant.
An automated teller machine dispenses cash, not goods.
A counting machine is used to count money, not to sell items.
A branding machine is used to mark products with a brand name or label.
Therefore, the machine that receives money and hands over goods is a vending machine.
Answer:B. a vending machine.