请高手帮忙翻译下这些句子

请高手帮忙翻译下这些句子
3.与选定的供应商进行价格、交期及付款等方面洽谈,并与之签订合同.
4.根据生产部门、市场及库存状况制定月度、年度采购计划.
5.根据生产计划按时完成采购订单的制定、确认、进度跟踪等工作.
6.对供应商进行年度绩效考核.
7.及时准确维护ERP（金蝶）系统相关采购数据 8.每月统计应付帐表,并与财务部门核对账款,付款.
9.负责外协部门的出入账目统计与付款工作.

3. To negotiate pricing, delivery and payment terms with the selected suppliers and to sign the contracts (subject to approval).
4. To prepare the monthly and annual procurement plan according to the production/work status of the production department, market situation and inventory level.
5. To finalize purchase orders, order confirmation and order tracking according to the production plan and production schedule.
6. To perform annual performance appraisal of the suppliers.
7. To maintain all procurement-related information within the ERP system in a timely and accurate manner.
8. To generate the monthly accounts payable table, and to verify same with the finance department for payment.
9. To be responsible for managing the financial accounts and payments for the outsourcing department.