Over payment by US customer, Any ideas.

[gutterpunkz05]

Hi all,  I am somewhat confused, I know it don,t take much,  anyway

US ebayer purchased item and requested invoice

Invoice supplied was for   AU$35.00 for item  AU$92.70  Postage   Total  AU$127.70

But  I have received a payment  for  AU$138.23

Any Ideas.

[gutterpunkz05]

All sorted,  US state Sales Tax  added and dispursed by ebay.