To mark up a rate plan by a fixed amount:
From the Applications menu select Product Management > Rates. The Rates window is displayed.
Right-click on an existing entry and select View Rate Details.
Right-click on an existing entry and select Markup. The Markup Rate Details dialog box is displayed.
Enter the fixed amount (in dollars) of the markup. (Use a minus sign (-) for negative amounts.)

Click Adjust. A confirmation box appears.

Click Yes to continue.