Figure 1 B F G Figure 2 A B EL F N Figure 3 A B E F E Task time estimates for the modification of an assembly line at Jim Goodale's Carbondale, Illinois, factory are as follows: Immediate Predecessor(s) Time Activity (in hours) A 7.0 B 6.7 C 4.0 A DEEC 8.0 B, C 4.5 B, C F 8.4 D G 6.0 E, F This exercise contains only part a. A 7.0 6.7 4.0 A 8.0 B, C Figure 2 4.5 B, C 8.4 D Figure 3 6.0 E, F Figure 1 ns only part a. TUITUDE PROdence diagram for the project is shown in