Identify the dramatic changes that have taken place in the business environment over the past five decades. $($Check all that apply.$)$

Multiple select question.

The increased presence of an employee voice has made employees comfortable standing up against their employers' unethical actions.

Codes of ethics have shifted from being performance$-$measurement documents to being cosmetic public relations documents.

Corporate ethics has moved from legal and human resource departments into the organizational mainstream with the hiring of corporate ethics officers.

The issue of corporate social responsibility has moved from a core performance$-$measurement issue to an abstract debate.