solved Hi I want to answering and explain the Questions1) A

Hi I want to answering and explain the Questions1) A network consists of the activities in the following list. Times are given in weeks. Activity Preceding Time A — 8 B — 3 C A 7 D A, B 3 E C 4 F D 9 (a) Draw the network diagram.(b) Calculate the ES, EF, LS, LF, and Slack for each activity.(c) What is project completion time?2) What is the objective of critical path analysis? And explain why the critical path is the longest, not the shortest, path through a network.3) Identify the four components of a time series. Which one of these is rarely forecast? Why is this so? And Compare seasonal effects and cyclical effects.4)Why do modern operations managers look for flexibility in their equipment?5) Identify the five major tools of process analysis and design. Describe them in a sentence or two each.