2016 clearance of accounts — discrepancies 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.关于信贷变更与预估偏差的说明。 预估金额与发票之间的差异：预估金额与账款结清之间的差异更为显著。