Wendy, the CEO of an oil drilling company, and her top management team recently discovered that their facilities are damaging a beach in Asia and the local wildlife. They understand that they need to decide if temporarily closing or not closing the facility is unethical. To help them make their decision, they consider the following four questions: "Is not temporarily closing the facility legal? If yes, does this proposed action maximize shareholder value? If yes, is not temporarily closing the facility ethical? If no, would it be ethical to take the proposed action?" Wendy and her top managers are using ____ to help them make their decision.