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The point of having two separate fields for 1st Unit and Additional Units is to add flexibility and that would be shot if we automatically charged the same price for all units if a value is set in the "1st Unit" field. An example of where you might want to have a single upcharge fee that applies only once to the item, regardless of the quantity ordered, is a digital service like retouching. If it's $10 to hand-retouch an image, it doesn't make sense to charge the customer for each copy of the photo since the retouching is only being done once. In that case you'd have $10 in the 1st Unit field and leave Additional Units empty.
How Those Attributes Come Through For Production
Lab 50 Order Summary
Lab 50 Order Details
Printed Invoice
Print 50 Order Summary
Print 50 Order Details
