Please answer as many as you can, thank you very much in advance!! :)

9. How does the cost of production report for the second department in the production process differ from the cost of production report from the first department in the process? 10. If the average cost method is used, and an error was made in estimating the percentage of materials in the ending work in process inventory. What would be the effect of this error on equivalent units of production? What would be the effect on the cost of the goods transferred out for the period?' 11. What are some common causes of normally lost units? Abnormal lost units? 12. How does normally lost units affect the cost per unit of goods transferred out for the month? 13. What special journal entry is used to account for abnormal spoilage? 14. How does the computation of equivalent units of production for the month under the FIFO method differ from the computation under the average cost method