17. Refer to Exercise 6 in Chapter 4 . Twelve days 15 after the start of the project, the following information is received: A change order was issued with three new attivities: \begin{tabular}{l|l|} Activity N & Duration =4 days; IPA= None, Successor = Activity O \\ \hline Activity O & Duration =5 days ;IPA=N,H, Successor = Activity P \\ \hline Activity P & Duration =5 days; IPA=O,L; No successor \end{tabular} Draw the updated network. Calculate the new project completion date. Check if there are changes to the completion date and/or to the critical path. Mention the causes for such changes, if any. 6. For the following schedule, draw the node network, perform the CPM calculations, 17. Refer to Exercise 6 in Chapter 4 . Twelve days 15 after the start of the project, the following information is received: A change order was issued with three new attivities: \begin{tabular}{l|l|} Activity N & Duration =4 days; IPA= None, Successor = Activity O \\ \hline Activity O & Duration =5 days ;IPA=N,H, Successor = Activity P \\ \hline Activity P & Duration =5 days; IPA=O,L; No successor \end{tabular} Draw the updated network. Calculate the new project completion date. Check if there are changes to the completion date and/or to the critical path. Mention the causes for such changes, if any. 6. For the following schedule, draw the node network, perform the CPM calculations