Problem 1: A project consists of 11 activities (all times (durations) are given in day) and has worker requirements (resources) as indicated in the table. 1. Draw the AON network of the project. 2. Using a table, identify all activities timing (ES, EF, LS, LF, TF, FF) 3. Identify the CA 4. Draw the bar chart and the resource histogram of the project and the weekly usage of the resources