From the following information, develop an AON project network. Complete the forward and backward pass, compute activity slack, and identify the critical path. How many days will the project take?

ID Description Predecessor Time A Survey site None 6 B Excavate site A 5 Install power lines B 4 D Install drainage B W H m Pour foundation C, D The project will take days. The critical path is The late start on Activity C is days. The slack on Activity C is days. The slack on Activity D is days. The early start on Activity E is days