1, urban construction tax is 7% (city), 5% (county, town) and 1% (rural) value-added tax; (VAT+business tax) * Tax rate = urban construction tax
2. The education surcharge is 3% of the value-added tax; (VAT+business tax) * Tax rate = education surcharge
3. Stamp duty is three ten thousandths of sales; Sales amount (contract amount) * 3/10,000 = stamp duty