Many Companies Have a Written Code of Ethics for All

Many companies have a written code of ethics for all employees to follow.This code is usually enforced at all levels of the business fairly and without exception.However,

A) ethics are hard to define.
B) these codes of ethics are usually unique to each company and sale force.
C) there are often different sets of ethical standards that senior management follow.
D) these codes work in theory; in practice,salespeople do what they want.
E) these standards are only followed by employees in Canada; in the rest of the world,pretty much anything goes.