Please answer below in 1000 word limit in APA formatVariance AnalysisWrite an analytical summary of your learning outcomes from chapters 9 and 10. In addition to your analytical summary, address the following:1. As a manager, discuss how you would use or have used the concepts presented in chapters 9 and 10.2. Why might managers find a flexible-budget analysis more informative than static-budget analysis?3. How might a manager gain insight into the causes of flexible-budget variances for direct materials, labor, and overhead? Provide at least one numerical example to support your thoughts.