From the follow information, develop an AON project network. Complete the forward and backward pass, 2. compute activity slack, and 3. identify the...

From the follow information, develop an AON project network. 1. Complete the forward and backward pass, 2. compute activity slack, and 3. identify the critical path. And by the way how many days did the project take?

ID                    Description                          Predecessor                                    Time

A                     Survey site                           None                                                  2

B                     Excavate site                       A                                                         4

C                     Install power lines              B                                                         3

D                     Install drainage                   B                                                         5

E                     Pour Foundation                C, D                           3