DISCOUNT SALES PRO module discounts - (OC v2.0x, v2.1x, v2.2x) Compatibility: 2.0.0.0, 2.0.1.0, 2.0.1.1, 2.0.2.0, 2.0.3.1, 2.1.0.1, 2.1.0.2, 2.2.0.0