please answer questions. 4,5,8,9,11

> Review Questions 1. What is absorption costing? 2. What is variable costing? 3. How are absorption costing and variable costing the same? How are they different? 4.) When units produced equal units sold, how does operating income differ between variable costing and absorption costing? 5. When units produced exceed units sold, how does operating income differ between variable costing and absorption costing? Why? 6. When units produced are less than units sold, how does operating income differ between variable costing and absorption costing? Why? 7. Explain why the fixed manufacturing overhead cost per unit changes when there is a change in the number of units produced. 8. Explain how increasing production can increase gross profit when using absorption costing. 9. When should a company use absorption costing when setting sales prices? When should it use variable costing? 10. In the long run, all costs are controllable. Is this statement true? Why or who 11. Why is it appropriate to use variable costing when planning production in the short term? 12.) What is a business segment? Give some examples. 13. Explain how sales mix can affect the profitability of a company 14. What are the two components that can affect contribution margin? Why is it important to investigate both? 15. How do service companies differ from manufacturing companies 16. How can variable costing be used in service companies