Which specific business processes and$/$or management activities in the "business information value chain" $($Fig$.1-7$ of the text$)$ comprise the focus of the IT efforts in each of the three firms$/$business units? $($Be sure to independently research and study "business processes" in detail from extraneous sources before answering this question $--$ go beyond the textbook figure, as it depicts only a few generic examples of business processes.$)$

For each firm$/$business unit, do the business processes and management activities you identified above seem to be well supported by its information processing activities? Explain your reasoning.