List out from the given statements the important ethical principles that a business should follow:

a) To take the necessary action for the development of the concerned industry or business.

b) Pay taxes and discharge other obligations promptly.

c) To ensure the best utilisation of the human resources.

d) Refrain from secret kickbacks or pay-offs to customers, suppliers, administrators, etc.

e) Ensure payment of fair wages and fair treatment of employees.

Choose the correct answer from the options given below: