"True," said Franklin, "and I could have better afforded to take a dollar than to leave my work." The man, who seemed to be in doubt as to whether Mr. Franklin was in earnest, said jokingly, "Well, come now, tell me your lowest price for this book."

How does the fact that Franklin kept raising the price of the book support the central idea of the selection?

A. It emphasizes that the customer's argument over price was also using up valuable time.

B. It shows Franklin realized the book was worth more money than he first thought.

C. It emphasizes the stinginess of the customer in arguing over the price of a book.

D. It shows that Franklin was impatient to get back to his printing shop.