2017 clearance of accounts — Differences between estimates and invoices (Linz)

Notes on credit changes and deviations to the estimates. Discrepancies between estimates and invoices: greater discrepancies between estimates and clearance of accounts.信贷变更及预估偏差相关说明。 预估金额与发票金额间存在差异：预估金额与账款结清金额间的差异更为显著。