QUESTION 4 [23] You are appointed as a project manager at KSP constructions for a new building project in Middelburg. The activities, and durations required for the building project are represented in the table below. 2.1. Draw a precedence diagram for the project. (8) 2.2. Identify the critical path. (2) 2 2.3. Calculate the duration of the project. 2.4. Identify the ES,EF,LS and LF