1. In OIS800 Discount Model Open, select local Disc model. And right click to Related-> Discount no.

2. In OIS805, select the Discount No 2. Rebate Internal, right click to Related ->Scales. 

3. In OIS810, Select the latest scale model, right click to Related-> Scale lines.

4. Fill in the related Product Group, Payer, Discount Type (0: Discount No Value, 1: Discount Percentage, 2: Discount Amount) in the column header, and click on '+' to create.

5.  Fill in the Dic % and press Enter/Next to update the Discount percentage.

6. The Rebate value would be added as below.

7. In OIS811/B Discount Model. Connect Disc Scale Lines, right click Change to OIS811/E, to update the Discount % in the table.