Answer:Queuing, Favoring customers, and ration coupons
Explanation: Price ceiling is a price control mechanism used by Government and price regulators to control the market price of a product or services, price ceiling is the price of a product above which no manufacturing company or marketer is expected to sell any Product.
Rationing methods are methods used to control the sale or availability of the product to the consumer.
Queuing is rationing method which is based on the first come first serve, everyone is served According to the time he or she comes or signify interest.
Favouring Customers is.anotjer rationing technique it gives certain Customers some prevelegd based on some conditions.
Ration coupon is used to specify which Quantity can be issued to a customer at a given time.