EX$6-10($Algo$)$ K$.$ Nelson, project manager of Print... K$.$ Nelson, project manager of Print Software, Inc., wants you to prepare a project network;

compute the early, late, and slack activity times; determine the planned project duration; and identify the critical activities. His assistant has

collected the following information for the color printer drivers software project: $\backslash$table$[[$ID$,$ Description, Predecessor, $|$ table $[[$Time$],[($days$)]]],[$A$,$

External specifications, None,$3],[$B$,$ Review design features, A$,4],[$C$,$ Document new features,A$,4],[$D$,$ Write software, A$,70],[$E$,$ Program and test,B

$,70],[$F$,$ Edit and publish notes,C$,4],[$G$,$ Review manual, D$,2],[$H Alpha site,E$,$ F$,10,],[$I$,$ Print manual,G$,30],[$J$,$ Beta site, H$,1,30],[$K Manufacture,J

$,20,],[$L Release and ship,K$,1,]]\backslash$ table $[[$The project is expected to take,days.$],[$The critical activities are:,,$],[$Early start for Activity E is:$,,],[$Late

finish for Activity F is:$,,1,[$Slack for Activity C is:$,,]]$