Some companies are always unable to obtain invoices for purchasing inventory in time due to various reasons such as untimely payment. Therefore, for this part of the inventory, there will be an "estimate" in accounting treatment. The so-called "estimated entry" means that the inventory has been received this month, but the purchase invoice has not been received, so the warehousing cost of the inventory cannot be confirmed. At the end of the month, in order to correctly calculate the inventory cost of the enterprise, it is necessary to estimate and record this part of the inventory to form an estimation voucher.

The main reason for recording the difference between estimated fixed assets and accounts payable is to facilitate accounting treatment. When a company purchases fixed assets, due to some cost factors, it cannot be accurately estimated, so it needs to be estimated. However, in the subsequent accounting process, the actual cost and the estimated cost may be different. In order to ensure correct accounting records, it is necessary to transfer the difference to accounts payable to make up for the cost that cannot be accurately calculated.

By recording accounts payable, accountants can trace the source of differences, locate and solve potential problems, and ensure the accuracy and compliance of financial accounting.

When the enterprise income tax is declared in advance, the actual costs and expenses can be deducted, and those that have not actually occurred can not be deducted, and will be deducted according to the book amount temporarily. At the time of final settlement, invoices should be supplemented. Therefore, in the pre-payment declaration of enterprise income tax, the estimated recorded costs can be deducted before tax.