With ~$/$hw$2$dir as the current working directory, execute chmod $600$ file$3$; ls $-$l$.$ What do you observe on those files? Hint: Focus on the permissions of the files before and after the chmod command

Group of answer choices

file$1$ permission is now $600$

file$2$ permission is now $600$

file$3$ permission is now $600$

subdir permission is now $600$