Which of these statements is not correct regarding Kotter's eight-step approach to large-scale change?
a. Managers should provide plenty of time and not try to rush a large change.
b. Kotter's approach builds on Lewin's three-step change process and adds more depth to it.
c. Managers may use other management tools and methods to implement the eight steps.
d. Project management is separate from this 8-step approach and should not be used with it.