Consider the following project management problem. $($Noteshaper Scenario #$27)$

Task Immediate Predecessor$($s$)$ Duration $($days$)$

A None $2$

B A $4$

C A $7$

D A$,$ B $2$

E B $4$

F D$,$ E $2$

a$.$ Draw the Network diagram and include the Early Starts $($ES$),$ Early Finishes $($EF$),$ Late Starts

$($LS$),$ and Late Finishes $($LF$)$

b$.$ What is the expected completion time of this project?

c$.$ What is the critical path through this project?

d$.$ How much slack is in Activity C$?$ What does this mean?

e$.$ How much slack is in Activity E$?$