1. As a project manager, at what variance or performance index thresholds would you implement corrective action and why?2. What is the Estimate at Completion? What is the significance of the three...

1. As a project manager, at what variance or performance index thresholds would you implement corrective action and why?2. What is the Estimate at Completion? What is the significance of the three methods of forecasting EAC? What is the difference between Estimate at Completion and Budget at Completion (BAC)? Under what circumstances will they be equal?