Dialogue:

M: Good morning, Madam. What can I do for you?

W: Good morning. How much should I pay for these books to be sent to New York?

M: Hm, 20 dollars. Anything else?

W: Yes, a two-dollar stamp, please.

M: That will be 22 dollars all together.

W: Here's 25.

M: Thank you. And here's the change.

W: Thank you.

M: You're welcome.

Question: How many stamps does the woman buy? 

- One.

- Two.

- Four.


One.