a. What are some of the challenges that businesses face when it comes to ethical responsibility? b. How can unethical behavior by businesses impact stakeholders such as customers, employees, and investors, etc.?Please answer in your own words and provide explicit answer on how that impacts each stakeholder (name at least 4 stakeholders) c. What is the potential role of regulation in addressing ethical challenges faced by businesses? Use your critical thinking ad provide the answers in your own words. d. What are some examples of regulations that have been put in place to address ethical challenges in business, and how effective have they been? Use your critical thinking ad provide the answers in your own words.