2. Consider the following cash flow profile and assume MARR is 10%/year. EOY Cash Cumulative Cash Flow 0 $100 1 $25 2 $25 3 $60 4 -$30 5 $60 6 $25 a. What does Descartes' rule of signs tell us about the IRR(s) of this project? b. What does Norstrom's criterion tell us about the IRR(s) of this project? Fill out the 3rd column of the table to get full credit. c. Determine the IRR(s) for this project. Is the project economically attractive? Why? d. Determine the ERR for this project. Is the project economically attractive? Why