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[TD="colspan: 7"]with this approach you can change both the amounts in the regular discount table[/TD]
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[TD="colspan: 3"]and the discount adjust amounts[/TD]
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[TD="colspan: 5"]eg you could make fred a 0 and make bill a 0.7[/TD]
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Thank you very much for your try and efforts to resolve this problem.
I dont have problem with discount adjustments, because anyways I will put manually these discounts in table (it is big job at the beginning, but that is one-time job).
The problem for me here is that I have more conditions.
As you helped me at the first case, we use helper & helper1, where we said "=Coca Cola&Fanta", and according to that you make OFFSET and everything works fine.
In this case, I have to spread that condition even more.
So we have here for example "Restaurant&Coca Cola&Fanta" (Buyer, Supplier and product) as a helper.
Another problem is that most of the buyers will be in "other buyers", so the formula should recognize buyers from the list, and if they are not listed, than to use discount from "other buyers".
And also, like in previous case, discount is related for the date.
Is it possible to do that with "helper" and OFFSET and "IF ISERROR" for helper1?