SELECT
	CODE
	,NAME
	,CNT
	,TTL_AMT
	,AVG_AMT
FROM
(
	SELECT
	    A.CUST_CODE CODE
	    ,A.CUST_NAME NAME
	    ,COUNT(B.ORDER_NO) CNT
	    ,SUM(B.ORDER_AMNT) TTL_AMT
	    ,ROUND(SUM(B.ORDER_AMNT) * 1.0/COUNT(B.ORDER_NO) * 1.0,0) AVG_AMT
	FROM
	    CUSTOMER A
	    ,ORDERS B
	WHERE
	 A.CUST_CODE = B.CUST_CODE
	AND
		B.ORDER_DATE BETWEEN '2023-09-01' AND '2023-09-30' 
	GROUP BY
	    A.CUST_CODE
	HAVING
		COUNT(B.ORDER_NO) > 4
)
ORDER BY 3 DESC,4 DESC ,1