Skim through Appendix A on Microsoft Project 2013. Review information about Project 2013 from the Microsoft website (www.microsoft.com). Research three other project management software tools, including at least one smartphone or tablet app. Write a paper (one page max) answering the following questions: a. What functions does project management software provide that you cannot do easily using other tools such as a spreadsheet or database? b. How do the different tools you reviewed compare with Project 2013, based on cost of the tool, key features, and other relevant criteria? c. How can organizations justify investing in enterprise or portfolio project management software?