Charlie Cook was able to determine the activity times for constructing his chemical contaminant tracking machine. Cook 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$)$ I,mmediate Predecessor$($s$)],[$A$,7,-,E,5,$B$],[$B$,7,-,$F$,7,$B$],[$C$,2,$A$,$G$,11,C,E$