Monthly Invoice Revenue can be generated in the menu REPORTS->STANDARD REPORTS.
In Under REPORTS->CUSTOM REPORTS you can create custom individual reports . If you add the "Print Invoice" or "Assing Invoice Number" columns, you will have buttons which you can include invoice number and invoice date, upsell items, tax, VAT, invoice charges and many moreclick to perform this action.
== Invoicees - separate invoices ==