Are there multiple IRRS for the following cash-Bow sequence? How many are possible according to Descartes' rule of signs? If 11% per year, what is the ERR for the cash flows of this project? Let MARR 11% per year, EOY 0 1 2 3 4 5 6 7 8 9 10 Cash Flow ($) 120 80 70 20 -1.820 500 480 410 350 220 110 There is(are) A maximum of RR(s) for the given cash-flow sequence. IRR value(s) is (are) suggested by the Descartes' rule of signs The ERR for the cash flows of this project is % (Round to two decimal places.)