Determine the critical path. In your answer list all critical path activities.

Calculate the total slack for each activity and list all activities and the slack in your answer $($example A$,5)$

What is the project duration for the network?

Is this network sensitive $($why or why not$).$

$($note: this answer will be manually graded by the instructor$)$

Activity Predecessor Duration $($days$)$

A $--1$

B A $30$

C A $60$

D A $30$

E D $20$

F B $45$

G C$,$F $95$

H G $50$

I E $50$

J I $90$

K H$,$J$,$L $75$

L C $155$

M K $120$

N M $20$