Tax amount to be withheld this month = (cumulative withholding income this month * withholding income tax rate _ quick deduction)-cumulative tax reduction and exemption _ cumulative withholding income amount, cumulative withholding income this month = cumulative income _ cumulative tax-free income _ cumulative expense deduction _ cumulative special additional deduction _ cumulative other deductions determined according to law.
Zhang San earned 30,000 yuan in October 2065,438+2009/kloc-0, and all deductions totaled 3,000 yuan. The income tax withheld this month = (30,000-5,000-3,000) * 3% _ 0 = 22,000 * 3% = 660.