 Income tax 2021-2022, self-employment SE tax. Get ready to get refunds to the max, dive it into income tax 2021-2022. Most of this information can be found in Publication 334, Tax Guide for Small Business Tax Year 2021 on the IRS website, irs.gov, irs.gov. Income tax formula, we're focused down here this time on the other taxes, specifically we're talking about the self-employment tax, which you could think of most likely or oftentimes applied to something like a Schedule C type of business for a sole proprietorship. The Schedule C then being reported on a separate schedule, basically an income statement. The net on which we would be calculating the self-employment tax typically and the net of that Schedule C also flowing into line one income up top. This is the first page of the Form 1040. If we had a Schedule C type of business