Problem $2$

Consider the following project network. The numbers represent activity times in weeks.

Carry out a forward and backward path analysis and calculate ES$,$ EF$,$ LS$,$ LF$,$ and slack for each activity. Then please fill out the table below.

$\backslash$table$[[,$Forward Pass,Backward Pass,Slack$],[$Activity$,$Time,ES$,$EF$,$LS$,$LF$,$LF$-$EF$,$LS$-$ES$,$Slack$],[$A$,2,,,,,,,],[$B$,1,,,,,,,],[$C$,1,,,,,,,],[$E$,3,,,,,,,],[$H$,5,,,,,,,],[$I$,5,,,,,,,],[$J$,4,,,,,,,]]$