W: Is there anything else that you would like to buy? M: No, thank you. I guess that's it. By the way, in case there's a flaw in this CD player. Can I return it? W: Yes. But you must return it within 30 days. M: Is there a charge for that?I know other stores have a restocking fee. W: There will be no charge at all. M: I'm glad to hear that. W: However,you must show us the receipt. Could you sign it here, please? M: OK. W: All right. Keep your receipt. If something comes up. you can show it to us and We'll give you a refund. M: Thanks. I'll put it in a safe place., Question: What should the man take to return the CD player? (A) The money. (B) The restocking fee. (C) The receipt.
(C) The receipt.