To select Invoices for FULL Payment click:
Clicking either of these items will open a window in which you may specify the order in which you wish to review the invoices to make your selections. You may chose to see invoices for only one vendor, or for all vendors and you can specify the order in which you wish the invoice list to be sorted. Click the appropriate selection and sorting buttons and then click the Execute button.
When the list appears place the mouse cursor over the invoice you want to pay and click. (Read the instructions at the top of the window which explain how to select single invoices or all invoices.)
After selecting the invoice, or invoices, close the window.