Apply the ERR method

Apply the ERR method with e = per year to the following series of cash flows. Is there a single, unique IRR for these cash flows? What is the maximum number of IRRs suggested by Nordstrom's criterion? $6,700 $3,600 2 MARR = 3 $1,500 $5,300 Ent of year The ERR is [3%. (Round to two decimal places.) IRR(s) for these cash flows. A maximum IRR value(s) is(are) suggested by the Nordstrom's criterion.