Value-added tax is a turnover tax based on the value-added amount of goods (including taxable services) generated in the circulation process. From the tax principle, value-added tax is a turnover tax levied on the added value of many links such as commodity production, circulation and labor services or the added value of commodities. Extra-price tax is implemented, that is, it is borne by consumers, and tax is levied only if there is value added, and tax is not levied if there is no value added.

The Exchange issues special VAT invoices to the buyer members and collects special VAT invoices from the seller members. Buyer members issue special VAT invoices to buyer customers and collect special VAT invoices from the exchange. Seller members issue special VAT invoices to the exchange and collect special VAT invoices from seller customers.

The specific formula for calculating the unit price, amount and tax amount of the special VAT invoice is as follows:

Actual delivery price = actual delivery payment ÷ delivery quantity;

Unit price of special VAT invoice = actual delivery price ÷( 1+ VAT rate (natural rubber VAT rate17%));

Special VAT invoice amount = quantity × unit price of special VAT invoice;

VAT amount = VAT special invoice amount × VAT rate.

Settlement price of natural rubber futures: the settlement price of natural rubber futures is the weighted average price of the transaction price of the contract in the last five trading days according to the volume.

Buy 2.5W, and the VAT deduction is used to calculate the input tax (2w for opening positions+0.5W for floating profit).

If you sell 3W later, the value-added part will be taxed. Ok ... (output tax)

Details are subject to your financial statements. ...

I hope it will help you understand. ...