Withholding on labor remuneration (not annual filing): ≤4000 deduct 800; >4000 use 80% as taxable; then 20%/30%/40%. Annual filing uses 3%–45% and may refund/owe.
Pre-tax service fee-
Expense deduction-
Taxable income-
Marginal rate-
Quick deduction-
Tax-
After tax-
Service Income Tax
Estimates pre-withholding tax on service fees using simplified PRC rules.