How are information systems assisting these companies in implementing each strategy?

After reading the information presented in this chapter and other sources, write a two page paper that describes the ways two different companies use Michael Porter’s three strategies. How are information systems assisting these companies in implementing each strategy? How has Walmart (for the most part) become a cost leader? You can either use Microsoft Word to write your response for each assignment and upload the file, or you can type your response directly in each assignment window.