This case should be analyzed from an Organizational Development perspective , not a Human Resources.
So to answer the case questions (attached), you need to be more specific of the case facts from an organizational development perspective.
What would help you is to refer to the the KEY LEARNING POINTS from the case and the PowerPoints (Attached) and relating them and show how to apply them in this paper;
You do not have to use sources/references. Only the Power Points and some examples.