B$1.$ Using the following table, do these tasks $[20$ 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 $($$$),$Time $($days$),$Cost $($$$)],[$A$,$None,$5,20,3,30],[$B$,$CE$,2,35,1,55],[$C$,$A$,3,15,1,30],[$D$,$None,$6,25,3,55],[$E$,$AD$,4,10,2,15]]$

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

$CP(s)$