The following CPM/PERT network is for a small construction project with 7 activities labelled 1 through 7, and activity times in weeks: 3 6 6 6 SE S= 1 3 Start 4 S- 7 2 2 10 5 SE SE SE S- The critical path for this project is a. 1-3-6-7 b. 2-5-7 Oc. 2-4-6-7 d. 1 - 4-6-7 The length of the critical path for the network in question 34 (above) is a 16 weeks b. 18 weeks c. 20 weeks d. 23 weeks Question 36 2 For the project network in question 34 (above) the earliest start (ES) time a earliest finish (EF) time at node 7 are a. ES-14 weeks, EF-16 weeks b. ES-16 weeks, EF-18 weeks C. ES-18 weeks, EF-20 weeks d. ES-20 weeks, EF-22 weeks Question 37 2. For the project network in question 34 (above), the latest start (LS) time and latest finish (LF) time at node 4 are a. LS-8 weeks, LF-13 weeks b. LS-10 weeks, LF-15 weeks d. LS-13 weeks, LF-18 weeks