B$2.$ Using the following table, do these tasks $[35$ points possible$]$:

a$.$ Correctly & legibly draw and label the network diagram including process times

$($Deduct $2$ pts for each missing$/$incorrect: arrows, ovals, activity names, process times$)$

b$.$ Complete the table of ES$,$ EF$,$ LS$,$ and LFs $[$deduct $2$ pts$/$error$]$

c$.$ Identify the critical path or paths $[$deduct $8$ points if incorrect$]$

$\backslash$table$[[,$Normal,Crash$],[$Activity$,$Predecessor,Time $($days$),$Cost $(5),$Time $($days$),$Cost $(5)],[$A$,$None,$2,10,1,20],[$B$,$C$,$E$,4,15,1,35],[$C$,$A$.$D$,4,25,2,40],[$D$,$None,$5,20,3,50],[$E$,$A$,$D$,6,30,3,35],[$F$,$B$,7,5,4,10]]$

$\backslash$table$[[,$Activity,C$],[,$A$,$B$,$C$,$D$,$E$,$F$],[$ES$,,,,,,],[$EF$,,,,,,],[$LS$,,,,,,],[$LF$,,,,,,]]$

CP$($s$)$