0 min

**Job B:** Longest path through B is Path 4 (135 min). Slack = 160 - 135 = **25 min** - **Job C:** On critical path → slack = **0 min** - **Job D:** Longest path through D is Path 4 (135 min). Slack = 160 - 135 = **25 min** - **Job E:** On critical path → slack = **0 min** - **Job F:** On critical p