NPV=-1000+npv(c,450,350,250,150,50)=0 Internal Rate of Return r=11.04% THE COURSE OF FINANCE 2017 SPRING SJTU 13THE COURSE OF FINANCE 2017 SPRING SJTU 13 Internal Rate of Return NPV=-1000+npv(r,450,350,250,150,50)=0 r=11.04%