SELECT c.cust_name, SUM(oi.item_price*oi.quantity) AS total_price FROM Customers AS c INNER JOIN Orders AS o ON c.cust_id = o.cust_id INNER JOIN OrderItems AS oi ON o.order_num = oi.order_num GROUP BY c.cust_name HAVING SUM(oi.item_price*oi.quantity) >= 1000 ORDER...