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 5.0 - B 7.0 - C 4.0 A D 5.0 B, C E 4.0 B, C F 7.0 D G 4.0 E, F

I already figured out B & C, I just don't understand Gantt charts and I really need someone to help me figure it out.

Task time estimates for the modification of an assembly line at Jim Goodale's Carbondale, Illinois, factory are as follows: Immediate Predecessor(s) Q A Time (in hours) 5.0 7.0 4.0 5.0 4.0 7.0 Activity A B D E F G B BC CH B, C D EF D- 4.0 E This exercise contains only parts d, b, and c. d) Using the line drawing tool five times, draw a Gantt chart for activities C through G of the project based on the early times. F- Carefully follow the instructions above, and only draw the required objects. 1. G b) The critical path activities for the leadership training program development project are A-C-D-F-G O! 0 4 10 12 14 16 18 20 22 24 26 c) The expected project completion time for the leadership training program development project = 25 hours (round your response to one decimal place)