Question 27 - 29 refer to following paragraph:

M: Sorry to interrupt, but I got this shirt for my birthday a couple of days ago and it seems to be missing a few buttons. Could I exchange it for another one?
W: Sure, it shouldn’t be a problem as long as it was purchased within the past 14 days. Do you have the receipt? I’ll need to verify the purchase date
M: Oh, I’m sorry I wasn’t given the receipt. It was a present from my friend. She just gave it to me on Thursday, through, so I’m pretty sure she bought it recently
W: I’m extremely sorry. Unfortunately, it’s store policy that all refunds and exchanges must be accompanied by the original receipt
27. What does the woman ask the man for?