Organizations operating on a global basis often face particularly tough ethical challenges due to the complexity of the environment. Which of the following statements about global ethical challenges is true?

	a.	Cultural differences among employees of different nationalities are the primary source of ethical challenges for organizations doing business globally.
	b.	Cultural differences among employees of different nationalities and conflicting national regulations are the two primary sources of ethical challenges for organizations doing business globally.
	c.	Broad, diffuse supply chains and cultural differences among employees of different nationalities are the two primary sources of ethical challenges for organizations doing business globally.
	d.	Broad, diffuse supply chains are the primary source of ethical challenges for organizations doing business globally.