The questions below consists of a question and three statements numbered I, II and II given below it. You have to study the questions and decide that the data in which of the statements are sufficient to answer the questions.
Who earns most among M, N, P, Q and R?
I. M earns less than P but not less than R.
II. Q earns more than M but not equal to N.
III. N earns more than M and R.