What is the fundamental principle of responsibility accounting?

What is the fundamental principle of responsibility accounting?
List five important factors that should be considered in designing reports for a responsibility accounting system.
How soon should accounting reports be prepared after the end of the performance measurement period? Explain.
Name and describe three types of responsibility centers and list their main characteristics.
Give five real-world examples of at least two of the types of responsibility centers.
Many organizations limit the number of expense (cost) centers.
List three reasons for wanting to limit cost centers.