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Description: Charge per each unique SKU on an outbound order

Script:

User Input:

Explanation: Define a charge that is to be applied once per unique SKU on an order.  So if you have 2,000,000 of the same SKU, the charge is applied once.  If you have two items, with different SKUs, it is applied twice.  (This is actually based on the ItemID from the Item table, but for practical purposes, it shouldn't matter.)