[20 points] A general contractor is working on a project with activities shown below: Activity 1 2 3 4 5 6 7 8 9 ELE Predecessor- 1 1,2 1,2 3,4 4,5 5,7 6,8 Duration 2 1 6 7 3 8 5 1 Construct Critical Path Method (CPM) network for this project, compute the Early Start (ES), Early Finish (EF), Late Start (LS) and Late Finish (LF) dates, and identify the critical path(s). (Do not type an answer in the box below, attach all solutions and work as a single PDF file on the last question.) [20 points] A general contractor is working on a project with activities shown below: Activity 1 2 3 4 5 6 7 8 9 ELE Predecessor- 1 1,2 1,2 3,4 4,5 5,7 6,8 Duration 2 1 6 7 3 8 5 1 Construct Critical Path Method (CPM) network for this project, compute the Early Start (ES), Early Finish (EF), Late Start (LS) and Late Finish (LF) dates, and identify the critical path(s). (Do not type an answer in the box below, attach all solutions and work as a single PDF file on the last question.)