How do I record how much cash I received and how much change was returned?

When entering cash payments, you can enter the cash amount the customer paid. The system will then automatically calculate how much change is due. To do so, open a particular Order and click on ‘Charge Payment’. A dialog box appears as follows:

Here, you can add the amount the customer pays under ‘Cash Paid’ and you will see that the change is automatically calculated and stored once you hit ‘Submit’.