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Commissions calculated on discounted value
Each product is setup with commission paid depending on the discount applied to the order
...
26% > 0% commission paid
Each line items discount is calculated as a "variance" (the discount includes Customer Group discounts and discounts applied to the total value of the order)
The variance will fall under 1 of the above discount tiers, and the commission is applied to that line item according to the tier.
Commissions calculated on GP
Each product is setup with commission paid depending on the GP of the order
Example If a Blinds GP is between;
39% 39% > xx% commission is paid
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