11) Ethical issues that may arise in projects large and small include: A) gifts from contractors. B) exaggerated expense reports. C) compromised quality standards to meet bonuses or avoid penalties related to schedules. D) pressure to mask delays with false status reports. E) all of the these. 1375 gabanderol assortqa pogowe 12) Which of the following statements regarding Gantt charts is TRUE? A) Gantt charts give a timeline and precedence relationships for each activity of a project. B) Gantt charts use the four standard spines of Methods, Materials, Manpower, and Machinery C) Gantt charts are visual devices that show the duration of activities in a project. D) Gantt charts are expensive. E) All of these are true. bolo on svo steb loomvoor bewarb to buto late 3) The main difference between PERT and CPM is that: slow A) PERT is more accurate than CPM. B) PERT assumes that activity durations are known. C) PERT ignores activity costs. D) CPM assumes activity durations can vary. E) PERT employs three time estimates for each activity. tamants regarding CPM networks is TRUE? 11 with different durations