Answer: It is not ethical
Step-by-step explanation:
Ethics is defined as a moral philosophy that is good for individuals and the society at large.
The basic principles of ethics are objectivity , professional due - care and competence, professional behavior , integrity and confidentiality.
The act of intimidation by the retail chain is un ethical as it is not to the benefit of the suppliers, Moreover , this act violates the principle of professional behavior and integrity.
A good ethical practice respects the trading policies of business partners.