With respect to leadership in process design and optimization, which of the following are examples of some of the steps involved? Group of answer choices A. Implement all planned changes. B. Plan all changes cross-functionally. C. Identify what and what else can be done. D. Estimate the impact of changes and set objectives. E. Get comments from competitors and adjust the plan appropriately. F. Obtain feedback from the airline's customer base and adjust the plan accordingly. G. A, B, C, and D H. A, B, C, D, and F I. All of the above