Thank you very much for your message. I've just checked Paypal and found that I paid 24.50. I wonder why this happened. Anyway, thank you very much for giving me a refund of the difference 8.50. I do appreciate it.
Thank you for your message. When I check my paypal account just now, I see $24.50 is paid to you. I wonder why this has happened. Anyway, you are going to return $8.50 to me. Thank you very much. I appreciate it.