Are there multiple IRRs for the following cash-flow sequence? How many are possible according to Descartes' rule of signs? ife-8% per year, what is the ERR for the cash flows of this project? Let MARR = 8% per year Cash Flow 130 90 50 30 1,840 580 520 EOY 4 There is(are) What is the maximum number of IRR values suggested by the Descartes' rule of signs? 0B.4 URR(s) for the given cash-flow sequence The ERR for the cash flows of this project is | %. (Round to two decimal places.)