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 Floww 130 90 50 30 1,840 580 520 410 EOY 4 There is(are) V IRR(s) for the given cash-flow sequence What is the maximum number of IRR values suggested by the Descartes' rule of signs? A.2 O B. 4 C, 1 The ERR for the cash flows of this project is | %. (Round to two decimal places.)