Please help me answer the attached accounting questions.

1. Why is goal congruence important to an organization's success? How does a responsibilityaccounting system foster goal congruence? 2. Why do some managerial accountants choose not to allocate common costs in segmented reports? 3. Can a common cost for one segment be a traceable cost for another segment? Explain. 4. What is meant by customer profitability analysis? Give an example of an activity that might be performed more commonly for one customer than for another. 5. In dropping or adding customers or segment, should the way in which costs are assigned to the cost objects be considered