Question No 4: [10 Marks] 1. You're managing a project when your client tells you that an external problem happened, and now you must meet an earlier deadline. Your supervisor heard that in a situation like this, you can use schedule compression by either crashing or fast-tracking the schedule, but he's not sure which is which. What do you tell him? A. Crashing the project adds risk, while fast-tracking adds cost. B. When you crash a project, it always shortens the total duration of the project. C. Crashing the project adds cost, while fast-tracking adds risk. D. When you fast-track a project, it always shortens the total duration of the project. ES = 7 EF = 9 ES = 17 EF = 20 D G LS = 3 LF = 4 LS = 17 LF = 26 2 F 3/7 ES = 10 EF = 12 ES = 17 EF = 19 E H LS11 LF 13 LS = 3 LF = 4 2. Given this portion of the network diagram to the right, what's the ES of activity F? A. 9 B. 10 C. 12 D. 13 3. Given this portion of the network diagram to the right, what's the LF of activity F? A. 10 B. 11 C. 16 D. 17