Task time estimates for the modification of an assembly line at Jim Goodale's Carbondale, Illinois, factory are as follows: Activity ABCDEFG Time (in hours) Immediate Predecessor(s) 5.0 6.7 5.0 8.0 4.8 7.7 4.0 | | - A B, C B, C D E, F This exercise contains only part a. a) The correct precedence diagram for the project is shown in Figure 1 e's Carbondale, Illinois, s) Figure 1 A B Figure 2 A B F F Q Q G Figure 3 B E Q L