Please help me with 2 questions below.

1. A student named Saada wants to use the CPM method to analyze a project schedule. She was able to obtain the following information. Draw the network diagram using the AON format (activity on node). Calculate ES/EF/LS/LF/slack fo / all activities. 4. A project has the following activilies: a) Draw the network dlagram based on normal time. b) What are potential paths (connected paths) and corresponding durations? c) What is the expected project completion time based on normal time? d) What is the most economical way and how much will it cost to reduce the completion time of the project by three weeks