After you set the setuid flag $($as in the previous question$),$ our long listing of files will look like this:

$\backslash$table$[[-$rwsr$-$xr$-$x $1$ atwood,instructor $64822014-01-2902$:$54$ gethappy.exe$],[-$rw$---..-.1$ atwood,instructor $172014-02-0316$:$45$ happytimes$]]$

Which of the following is true?

Users in the general public can now execute the file gethappy.exe with the same privileges as if they were the owner.

Every user in the group instructor can now write directly to happytimes.

Only the owner can execute the file gethappy.exe.

Members of the "instructor" group now have "write" permission on the file gethappy.exe.