USE AP;

$$

SELECT $*$ INTO #InvoiceCopy FROM Invoices;

$$

DECLARE @InvoiceID int, @InvoiceTotal money;

DECLARE @Total money;

SET @Total $=0$;

$$

WHILE @Total $+($SELECT TOP $1$ InvoiceTotal

$$ FROM #InvoiceCopy

$$ ORDER BY InvoiceTotal DESC$)<=200000$

$$ BEGIN

$$ SELECT TOP $1$ @InvoiceID $=$ InvoiceID, @InvoiceTotal $=$ InvoiceTotal

$$ FROM #InvoiceCopy

$$ ORDER BY InvoiceTotal DESC;

$$ IF @InvoiceTotal $<1000$

$$ BREAK;

$$ ELSE

$$ BEGIN

$$ SET @Total $=$ @Total $+$ @InvoiceTotal;

$$ DELETE FROM #InvoiceCopy

$$ WHERE InvoiceID $=$ @InvoiceID;

$$ END;

$$ END;

$$

PRINT 'Total: $$\text{'}+$ CONVERT$($varchar$,$ @Total, $1)$;

When does the expression on the WHILE statement in this script cause the loop to end?