The formula for calculating VAT is X/(1+17%)*17%, X in this formula is the tax-inclusive price, and the tax-inclusive price divided by (1+17%) is used to calculate the tax-exclusive price, which is multiplied by the tax rate of 17% to calculate the amount of VAT paid. According to the Provisional Regulations of the People's Republic of China on Value-added Tax: Article 5 Taxpayers incur taxable sales behavior, the amount of value-added tax charged in accordance with the sales and the tax rate specified in Article 2 of these Regulations is the output tax amount. The formula for calculating the output tax amount: output tax amount = sales amount × tax rate. Article 6 The sales amount is all the price and out-of-the-price expenses charged by the taxpayer for the taxable sales behavior, but does not include the amount of output tax charged. The sales amount is calculated in RMB. If the taxpayer settles the sales in currencies other than RMB, it shall be converted into RMB.

Article 5 of the Provisional Regulations of the People's Republic of China on Value-added Tax (VAT) states that a taxpayer who engages in taxable sales behavior shall calculate the amount of VAT collected in accordance with the sales amount and the tax rate stipulated in Article 2 of the Regulations as the amount of output tax. The formula for calculating output tax: output tax = sales? Tax rate. Article 6 of the Provisional Regulations of the People's Republic of China on Value-added Tax (VAT) states that the sales amount shall be the entire price and out-of-prices charges of the taxable sales behavior of the taxpayer, but excluding the amount of output tax charged. Sales are calculated in RMB. If the taxpayer settles the sales in currencies other than RMB, it should be converted into RMB.