The promoters of a rock concert in Indianapolis must perform the tasks shown in the file P15_26.xlsx before the concert can be held. (All durations are in days.) Draw the AON project network. Then...

The promoters of a rock concert in Indianapolis must perform the tasks shown in the file P15_26.xlsx before the concert can be held. (All durations are in days.) Draw the AON project network. Then find the critical path and the minimum number of days needed to prepare for the concert, and create the associated Gantt chart.