Need help with 1-9. explanations

Managerial Accounting - In Class Notes - Chapter 4 1. How does departmental overhead rate method differ from the traditional overhead application method? 2. What are the two stages for the departmental overhead rate method. 3. What is activity-based accounting used for? 4. Does ABC replace process costing or job order costing? 5. List the four steps, in order of application, to apply activity based costing: 6. What is the difference between unit, batch, product, or facility-level activities? Why does it matter? 7. What is an activity cost pool and what are some examples? 8. What are cost drivers and what are they use for in ABC accounting? 9. What are the benefits and drawbacks of ABC accounting