Task time estimates for the modification of an assembly line at Jim Goodale's Carbondale, Illinois, factory are as follows: n 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. Carefully follow the instructions above, and only draw the required objects. Dave Fletcher was able to determine the activity times for constructing his laser scanning machine. Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. The total project completion time and the critical path should also be determined. Here are the activity times: Dave's earliest start (ES) and earliest finish (EF) are