The Is $-1$ command gives the following output in a directory.

$-$rw$-$r$----1$ john all $13206$ Jan $1011$:$20$ Assignment$4.$c

Logged in as user john, what command would you use to give the file Assignment$4.c$ above rw$-$rw$-$r$--$ permissions?

Using a symbolic mode : $1.$ Assignment$4.$c

Using an absolute mode : $$ Assignment$4.$c