list

$\backslash$table$[[$Activity$,$ES$,$EF$],[$A$,0,5],[$B$,0,8],[$C$,5,8],[$D$,5,7],[$E$,8,13],[$F$,8,14],[$G$,13,22],[$H$,14,21]]$

Dave's latest start $($LS$)$ and latest finish $($LF$)$ are:

$\backslash$table$[[,,],[$Activity$,$LS$,$LF$],[$H$,15,22],[$G$,13,22],[$F$,9,15],[$E$,8,13],[$D$,13,15],[$C$,10,13],[$B$,0,8],[$A$,5,10]]$

The slack times are:

$\backslash$table$[[$Activity$,$Slack$],[$A$,5],[$B$,8]]$

Dave Fletcher was able to determine the activity times for constructing his laser scanning machine. Fletcher would like to determine ES$,$ EF$,$ LS$,$ LF$,$ and slack for each activity. The total project completion time and the critical path should also be determined. Here are the activity times:

$\backslash$table$[[$Activity$,$Time $($weeks$),$Immediate Predecessor$($s$),$Activity,Time $($weeks$),$Immediate Predecessor$($s$)],[$A$,5,-,\frac{?}{\text{b}\text{a}\text{r}}(E),5,$B$],[$B$,8,-,$F$,6,B$