Choose "Leases" from the List menu on the left.
You will find the Lease page with grids of information about all Leases.
Just click on the Lease you wish to know more about.
This redirects you to the Main lease page for that particular tenant.
Click on the "Pay Now" button from the top list, This then takes you to the Payment page
Make a prepayment by paying advance amount.
The advance amount will be displayed in the lease page.
Generate the invoice for next period.
The advance amount will be automatically deducted for the next invoice period.