We know how to deal with them. Feel Free to contact us via the Support button in your game and provide us with a screenshot of the bill.
And here are some more tips to help get a quicker resolution:
A Google order number. You can find the Google Order number in your Google Wallet: Android purchase confirmation.
1. Sign in to account.microsoft.com.
2. Go to Payment & billing and select Order History.
We trust our players unconditionally, but it would be much easier to find out what happened if you provide us with a screenshot of your bill. You can learn how to take it here.
Once we receive this information, our most experienced developers, elves, and wizards will do their best to solve the issue.