I would like to ask for the payment issue in November. We updated the contact list by transferring the contacts from other platforms and reached to next price tier (over 10001 contacts). However, some contacts may are duplicated and removed immediately to reach back to current price tier(over 5001~10000). However, I found that there is a charge and already paid by my credit card at the same time. I was wondering whether there is any deduction or credit can be taken for this action?
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