Consider the following information about a small project: Task B D E F Duration Estimates 2 days 2. days 1 day 1 day 4 days 13 days Immediate Predecessors None A B A BED E&C Ricture Click here for the Excel Data File b-1. Identify the critical path. O A-B-C-F O A-B-E-F O A-D-E-F b-2. Identify the earliest start and finish, and slack for each task. (Leave no cells blank - be certain to enter "O" wherever required.) Task Immediate Predecessors None Earliest Start (ES) Earliest Completion (EC) A 0 BD F CE 4 D E F IA BD CE 10 points Skipped Task Latest Completion Latest Start (LS) Slack eBook F E Print D Immediate Successors None F E F CE BD B References c. Which of these activities should the project manager track most closely? O A-B-E-F O A-D-E-F O A-B-C-F