A company must perform a maintenance project$\_$consisting of seven activities. The activities, their predecessors, and their respective time estimates are presented here:

$\backslash$table$[[$Immediate$],[,$Designation Predecessor,,$],[$Break dime in Days,,,$],[$Clean machine $1,$A$,$None,$3],[$Clean machine $2,$B$,$A$,3],[$Re$-$set machine $1,$C$,$A$,3],[$Re$-$set machine $2,$D$,$B$,1],[$Re$-$calibrate both,E$,$C$,2],[$machines$,$F$,$D and E$,],[$Final test,G$,$F$,1]]$

Using CPM$,$ what is the latest finish time for the last activity in this project $($i$.$e$.,$ the total time to complete the project$)?$

$12$ days

$10$ days

$13$ days

$11$ days

$9$ days