The file "foo.m$"$ contains the following code:

function $[a,b]=$baz$(x,y)$

$c=x**y$;

$a=c+x$;

$a=d+y$;

end

What things are wrong with this code $($select all errors$)$:

The name of the file is incorrect.

The variable $c$ is not defined.

The variable $x$ is not defined.

The variable $y$ is not defined.

The variable $d$ is not defined.

One of the return values is not assigned.