Answer: Bagley's ethical leader's decision tree
Explanation: In simple words, It refers to a framework that helps the managers of an organisation to take decisions regarding which they are uncertain and doubtful. It take into consideration all the possibilities and shortlists them on the basis of situation priorities.
In the given case, Wendy wants to determine whether they should close the facility temprarily or permanently. They are uncertain which action would be legal and correct.
Hence from the above we can conclude that they are using Bagley decision tree.