A seven firm cartel implies a group of seven individual firms or companies that produce similar products who mutually agreed to supply certain amount of these products at a fixed price inorder to equally and fairly make profit.
In this case, the law of demand and supply applied resulting in a drop in price of Whatailsya because of excess supply.
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.