1) Only two people earn more than N. (Implies N is the third highest paid employee.) _ _ N _ _ 2) M is not one of the top two paid employees. (Implies M earns less than N.) _ _ N M _ or _ _ N _ M 3) Three people earn more than O. (Implies O is the second lowest paid employee) _ _ N O M Thus M is the lowest paid employee. So, all the statements are needed to get the answer.