Steps:

1. Select which table want to pay

2. Click on "Finalize Bill" button

3. Enter the discount amount in percentage(Ex: 20%)

4. Click and hold "%" percentage button until pop up required pin number appear

5. Discount (20%) stated on the bill

6. Click Cash if customer give exact amount

7. Click "Check Out" button

8. Return amount pop up will display

9. Click "X" button to go to the dashboard