In addition, you can manage your reward accounts (e.g. air-miles) in the options-window. To add a new account simply enter the name and (if you like) a www-link to a corresponding website as well as notes describing the account and click the "Add" button. To edit or remove an existing account, just mark it in the list and press "Change" or "Remove"...

...Once you are finished adapting the options to your personal preferences, click "OK" and confirm the following message with "Yes". All options will be saved permanently and the window will be closed.

...The items of your income and expenses are visualized in the tables. At the bottom of each table you can also see the sub-total of selected items in the table.