Assignment (Continued) Treat each question separately, with all other activity durations as originally given in the problem: 1. How long will the project take if activity B takes 19 periods? 2. Will increasing activity B time always increase the project duration? Explain. 3. How long will the project take if activity B takes 17 periods? 4. Will decreasing activity B time always decrease the project duration? Explain. Assignment (Continued) Treat each question separately, with all other values as originally given in the problem: 1. How long will the project take if activity C takes 12 periods? 2. Will decreasing activity C time ever shorten the project duration? Explain. 3. How long will the project take if activity C takes 14 periods? 4. Will lengthening activity C ever extend the project duration? Explain