$\backslash$table$[[$ID$,$Description,Predecessor,$\backslash$table$[[$Time$],[($days$)]]],[$A$,$Systems,None,$8],[$B$,$Subsystem A design,A$,1],[$C$,$Subsystem B design,A$,2],[$D$,$Subsystem C design,A$,1],[$E$,$Program A$,$B$,2],[$F$,$Program B$,$C$,14],[$G$,$Program C$,$D$,2],[$H$,$Subsystem A test,E$,4],[$I$,$Subsystem B test,F$,3],[$J$,$Subsystem C test,G$,4],[$K$,$Integration,H$,$ I, J$,],[$L$,$Integration test,K$,2],[,,,]]$

Calculate the free slack and total slack for all noncritical activities

There is total slack on activities $B,D,E,G,H,$ and $J$ and free slack on activities $H$ and $J.$

How sensitive is the network schedule? Not very sensitive$.$ There is a single dominant critical path.

$\backslash$table$[[$What is the total slack on D$?,$days.$],[$What is the total slack on E$?,],[$What is the FREE slack on B$?,],[$What is the FREE slack on $H?,$day$($s$).]]$