Answer:
D) Be true to yourself.
Step-by-step explanation:
The Institute of management have about 10 standards for supply management conducts. these standards are derived from 3 major principles which are;
Integrity in Your Decisions and Actions
Value for Your Employer
Loyalty to Your Profession.
The 10 standards are; Impropriety, conflict of interest, influence, responsibility to your employer, supplier and customer relationship, sustainability and social responsibility , reciprocity, confidential and proprietary information , professional competence and applicable laws, regulations and trade agreements .
there is no mention of be true to yourself.