4. Consider the following project activities: ACTIVITY DURATION (WEEKS) PREDECESSORS A 4 None B D D 5 7 None B A, C E 6 B LL F G H DO E, G f. (**) Just before starting the project, someone points out that (1) activity A really needs to be done before activity C, and (2) activity C needs to be completed before activity G can start. What is the impact on the expected length of the project? A ease show all work. I am very lost this chapter, thank you. (I'll be sure to give a thumbs up)