Explain the differences among controlling area currency, object currency, and transaction currency. What is the purpose of number ranges in management accounting? What are the key activities involved in settlement, and how are they executed? Discuss the primary purpose of internal order accounting and explain the use of the three internal order types highlighted. Define and explain the two types of cost elements. Explain standard hierarchy, cost center groups, and cost centers. What are the differences between activity type and statistical key figure? How are these data used?