What is the earliest finish $($EF$)$ time for activity E$?$

$\backslash$table$[[$Activity ID$,$Predecessor,Duration $($in days$)],[$A$,$None,$9],[$B$,$A$,2],[$C$,$A$,3],[$D$,$B$,$ C$,7],[$E$,$D$,6],[$F$,$E$,6],[$G$,$D$,1],[$H$,$G$,$ F$,4]]$

$23$

$25$

$18$

$12$