Stadum Construction Project Problem: If F takes four days instead of two, what is the cribcal path of the project?

$\backslash$table$[[$ACTIITY$,$MMEDIATE PREDECESSOR DURATION $($days$),],[$A$,-,1],[B,A,4],[$C$,A,3],[D,A,7],[$E$,B,6],[$F$,$C$,$D$,2],[$G$,$E$,$F$,7],[$H$,$D$,9],[$I$,$G$,$H$,4],[,,],[$OADFG$,,]]$