find the ES , EF , LS , LF, TS, FS and the most critical path for the project

The network diagram is down below

a. Draw a network diagram of the above logic using Activity In the Box b. The project has a Required Completion Time of 18 days. Calculate the Early Start (ES), Early Finish (EF), Late Start (LS), Late Finish (LF), Total Slack (TS) and Free clank (FS) for each activity. What is (are) the most critical path(s) for the project