800 yuan should be deducted from the salary of 1w5, and it should be 5,000 yuan for the current period, so its taxable income is 10000 yuan, and the personal income tax payable is 1000 times 10%, which is equal to 1000 yuan. After quick deduction, it is probably from 700 yuan to 800 yuan.

Legal objectivity:

Article 3 of the Individual Income Tax Law: (1) For comprehensive income, the excess progressive tax rate of 3% to 45% is applicable (the tax rate table is attached); (2) For operating income, the excess progressive tax rate of 5% to 35% shall apply (the tax rate table is attached); (3) Income from interest, dividends and bonuses, income from property leasing, income from property transfer and accidental income shall be subject to the proportional tax rate of 20%.