Here you can note down the extra income rather than sales profit. To add a new income open backoffice then navigate to Income Expense in left menu, then click on Add button on the right top of the screen.

Then select income and then choose the store where this transaction took place.

Then below you can select account you created, Customer account or Supplier account.

To add a new account after selecting account, click on drop down column below and click on the button “New Account”, a side panel will open. Enter the account name and click Submit. It will be added to the account list. Now select the account and down below in column amount enter the value.

You can enter any notes in column Note for future reference.