Task time estimates for the modification of an assembly line at Jim Goodale's Carbondale, Illinois, factory are as follows: Activity Time (in hours) Immediate Predecessor(s) A 7.0 B 7.2 C 4.0 A DEFC 7.0 B, C 4.8 B, C 8.1 G 4.0 10 D E, F This exercise contains only part a. a) The correct precedence diagram for the project is shown in Figure 1 G Figure 2 Figure 3 Figure 2 B Figure 1 Figure 3 G