A trade practice which manipulates the flow of supplies of goods and services in market is known as __________ trade practice, when unjustified cost is imposed on the consumer.

Unfair

The correct answer is option (4) : Unfair

A trade practice that manipulates the flow of supplies of goods and services in the market and imposes unjustified costs on consumers is known as :

Unfair

Unfair trade practices involve actions that are deceptive, fraudulent, or unethical, leading to consumer harm or unfair competition in the market place.