If the invoice exceeds $500 THEN if the account has any invoice more than 60 days overdue then the confirmation pending resolution of the debt ELSE e confirmation and invoice ENDIF If the nvoice more than 60 days overdue thEN issue confirmation, invoice and write message on credit action report ELSE issue confirmation and invoice ENDIF ENDIFIF the invoice exceeds $500 THEN IF the account has any invoice more than 60 days overdue THEN the confirmation pending resolution of the debt ELSE issue confirmation and invoice ENDIF ELSE IF the account has any invoice more than 60 days overdue THEN issue confirmation,invoice and write message on credit action report ELSE issue confirmation and invoice ENDIF ENDIF