point$($s$)$ possible

In the following table the activities with their precedence sequence and expected time $($days$)$ are listed for a projec on which Carl Betterton's construction company is working

$\backslash$table$[[$Activity$,$Immediate Predecessor$($s$),$Time $($days$)],[$A$,$D$,],[$B$,$A$,5],[$C$,$A$,4],[$D$,$B$,6],[$E$,$B$,6],[$F$,$C$,4],[$G$,$D$,4],[$H$,$E$.$ F$,6]]$

Carl's team should be able to complete the project in $23$ days.

Critical path activities for Carl's project are $A-B-E-H$