"Public policy" is not easily defined.Public policy may be the reason for a judge to recognize a whistleblower discharge exception to the at-will employment doctrine.From your readings of the textbook materials and, in particular, the case of Mackie v. Vaughn Chapter PVA, what factors contribute to a judge's finding of the existence of "public policy" in a common law retaliatory discharge case?In discussing and commenting upon this topic, use examples to explain your response(s) and analysis.