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1·Establish the purchase ledger, the number of each business, purchasing price, the payment amount should be documented, the accuracy rate was 100%.

建立采购台账，每笔业务的采购数量，价格，付款金额要有详细记载，准确率100%。

2·The inventory control system provides input to the general ledger system and receives input from the purchase order and the sales order systems.

存货控制系统向总分类账系统提供输入数据， 并从购买订单和销售订单系统获得输入数据。

3·The accounts payable system provides data directly to the general ledger system and receives data from the purchase order system.

应付账款系统直接向总账系统提供数据，并从采购订单系统获得数据。