Please answer the following questions: 1. What are three common methods of assigning overhead costs to a product? 2. Why are direct labor hours and machine hours commonly used as the bases for overhead allocation? 3. What are the advantages of using a single plantwide overhead rate? 4. What is a cost object? 5. Why are multiple departmental overhead rates more accurate for product costing than a single plantwide overhead rate? 6. In what way are departmental overhead rates similar to a single plantwide overhead rate? How are they different? 7. What is the first step in applying activity-based costing? 8. What is an activity cost driver? 9. Apple's production requires activities. What are value-added activities? 10. What are the four activity levels associated with activity based costing? Define each