A、At customs. B、At the library. C、In a bank. D、At the post office. C

W: How many stamps do I need to send this package airmail?
M: Well, that’s going to be expensive. Airmail postage is 52 cents for the first ounce and 44 cents for each additional ounce. You have eleven ounce here.
Q: How much will it cost the woman to mail her package?

M: I’ve forgotten my passbook, but I’d like to make a deposit to my savings account if 1 may.
W: No problem, just bring this receipt with you the next time you come in, along with your passbook, and we will adjust the balance.
Q: Where does the conversation take place?