Triple Bottom Theory

Which of the following statements falls in line with the triple bottom line theory?

1. A socially sustainable firm will be against the exploitation of the workforce.
2. A company which refuses to treat the chemical discharge from its production plants meets the criteria for triple bottom line theory.
3. A company should not make decisions that benefit it in the short term.
4. A company refusing to hire people older than the age of 40 meets the criteria for triple bottom line theory.