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$,6,-,$E$,4,$B$],[$B$,6,-,$F$,6,$B$],[$C$,3,$A$,$G$,11,$C$,$ E$],[$D$,2,$A$,$H$,6,$D $,$ F$]]$

Dave's earliest start $($ES$)$ and earliest finish $($EF$)$ are:

$\backslash$table$[[$Activity$,$ES$,$EF$],[$A$,0,6],[$B$,0,6],[$C$,6,9],[$D$,6,8],[$E$,6,10]]$