Please Complete The below problems and cases. Please use the excel sheet that is attached. Please answer each question fully. The questions may be on two or more pages. The attached PDF contains that questions and the requirements for each problem and case. The purpose of this assignment is to apply principles and skills associated with cash flows.Using what you have learned from the topic materials, complete the following problems and cases from the textbook.Problems and Cases 3.18Problems and Cases 3.20Problems and Cases 3.27Problems and Cases 3.30Prepare 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.