to_char(sign_date,'yyyy') as year, to_char(sign_date,'MM') as month,
(cast(contract_amount as decimal(18,2))-(select cast(total_reback_view.sum as decimal(18,2)) from total_reback_view where total_reback_view.contract_unid=tb_contract.contract_unid)-cast(deduct_amount as decimal(18,2))-cast(stop_amount as decimal(18,2))-cast(exemptions_amount as decimal(18,2))-cast(bad_amount as decimal(18,2))) as contract_remain,
(select cast(total_reback_view.sum as decimal(18,2)) from total_reback_view where total_reback_view.contract_unid=tb_contract.contract_unid) as total_reback_amount,
(select cast(total_recv_amount_view.total_recv_amount as decimal(18,2)) from total_recv_amount_view where tb_contract.contract_unid=total_recv_amount_view.contract_unid) as total_receive_amount ,