1. Using the Information given below in Table 1, a) Draw the project network b) Calculate the Early Start (ES), Early Finish (EF), Latest Start (LS), and Latest Finish (LF) of all the activities c) What is critical path and corresponding duration? [2+10+0.5=12.5] Table 1 Activity A B D E F G H I J Predecessors None A B B B B C, D, E, F E, F G H I Duration (in days) 3 4 4 1 1 3 N 1 2 1