Consider the following data for a project to install a new server at the Northland Pines High School:

$\backslash$table$[[$Activity$,$Activity Time $($days$),$Immediate Predecessor$($s$)],[$A$,4,-],[$B$,5,$A$],[$C$,4,$A$],[$D$,4,$B$],[$E$,1,$B$],[$F$,9,$B$,$ C$],[$G$,2,$D$,$ E$],[$H$,6,$F$],[$I$,3,$F$],[$J$,8,$G$,$ H$,$ I$]]$

a$.$ Choose the correct network diagram below.

a$.$ Choose the correct network diagram below.

A$.$

${}_B$

c$.$

${10}_{{?}_{?}}$

b$.$ Calculate the critical path for this project.

The critical path is $A-B-F-H-J$ and the project duration is $32$ days. $($Enter your response as a whole number.$)$

c$.$ How much slack is in each of the activities G$,$ H$,$ and I?

$\backslash$table$[[$Activity$,\backslash$table$[[$Activity$],[$Time $($days$)]],\backslash$table$[[$On$],[$critical path?$]],\backslash$table$[[$Slack$],[($days$)]]],[$G$,2,$No$,$