2018 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.关于信贷变更与估算偏差的说明。 估算值与发票间的差异：估算值与账目清算的偏差幅度更大。