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Product quantity coupon
Cart Quantity Discount
Order Discount - OC 2.x-3x
Category & Product-Based Fee/Discount
Number of Items Based Discount / Quantity Based ..
Discount from the amount of the order(cumulative..
OC2 - Discounts Pack
Discount/Fee based on Amount, Group, GeoZone, Sh..
Order Total Discount Rules
Discount by Order Total Pro
Customer Group Discount/Fee (1.5.x/2.x/3.0)
Opencart Quantity Decimal Masic