Montel can't keep up with the demand for the latest best-selling book. He had to order more copies twice this week. On Monday he placed an order for 96 books. On Wednesday he ordered 264 more. All the books arrived on Friday. There were 24 books in each box. How many boxes of books did Montel receive? A. 4 boxes B. 11 boxes C. 15 boxes D. 19 boxes