select 
    O.CUST_CODE as CODE,
    C.CUST_NAME as NAME,
    count(O.ORDER_NO) as CNT,
    sum(O.ORDER_AMNT) as TTL_AMT,
    round(cast(sum(O.ORDER_AMNT) as float) / cast(count(O.ORDER_NO) as float),0) as AVG_AMT
from ORDERS as O
    inner join CUSTOMER as C
    on C.CUST_CODE = O.CUST_CODE
where 
    O.ORDER_DATE >= '2023-09-01' and O.ORDER_DATE <= '2023-09-30'
group by 
    O.CUST_CODE, 
    C.CUST_NAME 
having 
    CNT >= 5
order by 
    CNT desc , 
    AVG_AMT desc, 
    CODE asc
limit 5;