Project B: What is the project duration for this project? $($activity duration is in days$)$

$\backslash$table$[[$Activity$,$Immediate Predecessor,Activity Duration$],[$A$,-,4],[$B$,-,2],[$C$,-,6],[$D$,$A$,$B$,2],[$E$,$B$,9],[$F$,$D$,$E$,5],[$G$,$C$,$E$,3],[$H$,$G$,$F$,9]]$

$19$

$25$

$16$

$35$