2. The R&D Department is planning to bid on a large project for the development of a new communication system for commercial planes. The accompanying table shows the activities, times and sequences required. Activity Immediate Predecessor Time (Weeks) A 2 B A 2 A 4 E B 5 CD 6 DF 2 H D 3 1 E,G,H 3 4 D F G A. Draw the AON network diagram B. Find the project completion time C. Find the critical path D. Find ES/EF and LS/LF for each of the activities E. If u reduce the time required for activity D & E by 1 week each, Find the project completion time and critical path as well