Hi, need two different papers.Lenght 1-2 pageSize: 12 Times New RomanDouble spacedCase 1:Select three companies that use knowledge management systems. Write a one to two page paper in MLA format to include:1. Define what a knowledge management system is and what it is used for.2. Compare the features and benefits of each system.Case 2:For the attached case study watch the video included in the .pdf and answer the 4 questions. Submit in a MLA formatted paper. You can use the PDF information as help, but don’t copy.