You cannot address Apple through these columns. They are user to user only.
Contact Apple via .... Apple - Support - iTunes - Account & Billing You'll probably have to go via the Express Lane link.
Also be aware of in App purchases that often require you to pay more for additional features / services.
These are user-to-user forums, you are not talking to Apple here. You can contact iTunes support via this page : http://www.apple.com/support/itunes/contact/ - click on Contact iTunes Store Support on the right-hand side of the page, then Purchases, Billing & Redemption