Question $1$

$0\mathrm{.}8pts$

Use this diagram for questions $1-4.$ What is the expected

duration of this project?

Question $2$

List every path in the network diagram along with their lengths. In this format "ABC$=10,$ DEF$=15,$ GHI$=20,$ JKL$=25"$

Question $3$

What is the slack time for activity D in the network diagram?

Question $4$

What is the slack time for Activity E in the network diagram?