The monthly salary is about three or four thousand. Tax refund income = factory purchase price excluding tax *( 1+ factory real invoicing tax rate) * tax refund rate /( 1+ 17%). There is another situation. If you are a writer or self-media, then 20% tax will be deducted for every 800 yuan, so it is not standard to calculate your salary according to the tax deduction.

Extended data:

Tax refund refers to a tax business in which the tax authorities return the paid tax to the original taxpayer according to the prescribed procedures and formalities for some reason or special circumstances. Mainly includes:

(1) Incorrectly charged tax refund. Tax refund overpaid due to tax mistakes.

(2) Policy tax refund. Tax refund of original taxes due to changes in tax policies.

(3) Other tax rebates. Tax refund for other special reasons. The basic procedures and provisions of tax refund are as follows: taxpayers apply to the tax authorities for tax refund, and after approval, the tax authorities will handle it according to different situations.

When applying for tax refund, a taxpayer shall submit an application report for tax refund to the local tax authorities in accordance with the provisions of the relevant national tax refund management system, and the tax authorities shall handle the tax refund registration.