Thanks for choosing Apple.
Hello Ratchaneewan,
This is Anton from iTunes Store.
I just wanted to follow up with you about your request for a refund.
You’ll receive your refund within ten business days. If you have any questions, please let me know. I’ll be happy to help.
Thanks for choosing the iTunes Store!
Sincerely,
Anton
iTunes Store/MacAppStore Senior Advisor
http://www.apple.com/support/itunes/ww/
Please note: I work Thursday to Monday
10:00 AM-07:00pm CST