(Solved): Are there multiple IRRs for the following cash-flow sequence? How many are possible according to De ...

Are there multiple IRRs for the following cash-flow sequence? How many are possible according to Descartes' rule of signs? If $?=12\%$ MARR $=12\%$ per year. There is(are) $\mathrm{RR}(\mathrm{s})$ for the given cash-flow sequence. A maximum of 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.)