Consider the following project activities:

a. Draw the project network diagram.
b. Identify all the paths through the network and their lengths.
c. Identify all the critical activities and path(s). How long will the entire project take?
d. After you complete part b and before you perform the forward and backward passes, you should already be able to tell that activities A and N are on the critical path(s). Why?

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DURATION ACTIVITY (DAYS) PREDECESSORS A 4 None B 3 7 9 A E 8 A F 7 B G 6 H. 13 4 D, E J 12 E 1 E F, G, H I, J, K L, M M 4 AA