Must answer both questions with explanation

Question 3 1 Point Top management at Gulf Air announced a change that will result in a radical shift in ways of doing things, new goals, and a new structure for the organization. This type of change is dassified as a Bottom-up Change 6 Revolutionary Change Evolutionary Change (D) Motivational Change Instrumental Change Question 4 1 Point The principle of calls for managers to design a hierarchy with the fewest managerial levels necessary to efficiently and effectively use organizational resources, A unity of command B) self-managed teams c) centralization of power D) dual command minimum chain of command