What is wrong with this code? LinkedIn JavaScript Assessment quiz

linkedin_js_quiz_on_export.js

const baz = () => "Hello, world!";

export const foo = {
  name: "Albert"
};

export function bar(){
  return 42;
}

export default baz;

export default () => ({});

https://developer.mozilla.org/en-US/docs/web/javascript/reference/statements/export#description

There are two different types of export, named and default. You can have multiple named exports per module but only one default export. Each type corresponds to one of the above syntax:

https://stackoverflow.com/questions/21117160/what-is-export-default-in-javascript
https://2ality.com/2014/09/es6-modules-final.html