Please complete the following using the attached excel sheet. Please complete the question entirely. The questions/problems are attached. The purpose of this assignment is to apply principles and skills associated with investing and operating activities.Using what you have learned from the topic materials, complete the following problems and cases from the textbook.Problems and Cases 8.21Integrative Case 8.1Problems and Cases 9.14Problems and Cases 9.20Prepare the assignment in Excel with each problem or case as a separate tab. All narrative questions should be fully addressed within the Excel document on the tab associated with the problem or case.APA style is not required, but solid academic writing is expected.This assignment uses a rubric. Please review the rubric prior to beginning the assignment to become familiar with the expectations for successful completion.