Given the following 4 4 network with times in activity months, 10 1 18 8 determine the earliest start and finish times, latest start and finish 5 6 times, and slack for 2 6 8 12 Start Finish each activity. Indicate 10 5 15 7 the critical path and the project duration: 3 9 7 9 12 11 4 UEF | Operations Management | Unit 6: Project Management | Tran Hoang Nam | 35 35 Problem 9.9: Page 403 UEF UNIVERSITY OF ECONOMICS & FINANCE Move engineering Build pontoon Create division bridges supply lines 2 5 11 2 4 2 Cavalry Artillery reconnaissance placement Advance cavalry scout Attack 3 6 12 2 5 Plan 3 1 1 fortifications In one of the little-known battles of the Civil War, General Tecumseh Beauregard lost the Third Battle of Bull Run because his preparations were not complete when the enemy attacked. If the critical path Develop method had been available, the plan general could have planned better. Suppose that the project network below with activity times in days had been available. Determine the earliest start and finish times, latest start and finish times, and activity slack for the network. Indicate the critical path and the time between the general's receipt of battle orders and the onset of battle. 10 8 4 Army march 3 3 Cavalry disruption Troops build of enemy earthworks supply lines UEF Operations Management | Unit 6: Project Management | Tran Hoang Nam | 36 OPERATIONS MANAGEMENT Chapter 6: Project Management UEF UNIVERSITY OF ECONOMICS & FINANCE Thank Your UEF Operations Management | Unit 6: Project Management | Tran Hoang Nam | 37