SELECT t2.ITEM_CODE AS CODE, t3.ITEM_NAME AS NAME, SUM(UNITPRICE * ORDER_QTY) AS TOTAL_AMT
FROM ORDERS AS t1
INNER JOIN ORDERS_DTL AS t2 ON t1.ORDER_NO = t2.ORDER_NO AND (t1.ORDER_DATE BETWEEN date('2023-05-14') AND date('2023-05-20'))
LEFT JOIN ITEM AS t3 ON t2.ITEM_CODE = t3.ITEM_CODE
GROUP BY CODE, NAME
ORDER BY TOTAL_AMT DESC, CODE DESC
LIMIT 5