Find Late start and Late finish

Construct a CPM-PERT Chart for the project described by the following set of activities and determine: a. The earliest and latest activity start and finish times and activity slack b. The Critical Path c. The Expected project duration Time (Weeks) Activity A B - 6 Precedes DE F F G End End TIT Path Nodes 1-2 1-3 2-4 3-4 3-5 4-6 5-6 D E F G 3725614 4 17- 6 = 11? 3 2 1 5 7 E 6 4 critical path = 1-3-5-6 Construct the Activity Table 7+6+4 Lf-activity time EStoctivity time Min (48) LS Activity A EF 3 LS 11 0 LF 19 2 LS-es or LF-Ef Slack 11 o Path Nodes 1-2 1-3 2-4 3-4 3-5 4-6 5-6 - 6 Activity Time Mox LE) T ES 3 O 7 O 2 3 5 9 6 B 7 +01 4 8E13 D E F G AN TOP s 12 13 13 7 13 O 13 critical path Expected Project Duration = 17 Critical Path = -3 -5 -6