Directions: Study the following information carefully and answer the questions that follow.

Each of the six stores P, Q, R, S, T, and U sold a different number of books in one day. Only three stores sold less books than U. P sold more books than R. T did not sell the highest number of books. S sold more books than R and P but less than U. The store which sold the second-highest number of books sold 72 books.