On the Sales tab, you can track your sales, see invoices, and run sales/payout reports.
-Invoices - View a list of invoices for all customers accessing your storefront. Additional details can be accessed by clicking on each individual invoice - in the detailed view, you can initiate a refund.
-Annual Report - View your sales per month for each year.
-Daily Report - View your sales per day.
-Payout Report - If you are using Paypal via Uscreen or the Uscreen gateway, your payout schedule and amount in holding is listed here.
NOTE: Earning is the net earnings you will receive minus any payment providers transaction fees.