The earned value management formula, estimate at completion (EAC), provides forecasting for the project success. 1 is incorrect because Program Evaluation and Review Technique (PERT) provides time estimates, not forecasting. 2 is incorrect because (GERT) Graphical Evaluation and Review Technique provides branching and loopbacks in network diagramming, not forecasting. 3 is incorrect because risk analysis does not provide forecasting to the level that EAC does.