Consider the following activities and their durations.

The original project schedule, using early activity starts, is shown in Figure 11.20. Reconfigure the network using critical chain project scheduling.

a. What is the critical path?

b. How much slack is available in the noncritical path?

c. Reconfigure the network in Figure 11.20 as a critical chain network. What is the new duration of the project?
How long are the project and feeder buffers?

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Activity Duration A 5 days B 30 days C 10 days D 10 days E 15 days