1:14-71 Self Employment Tax Calculation Short Tax Form. Doug is a single taxpayer. In 2019, he had wage income of $115,000 from his employer. In addition to his wage income, Doug was a consultant in which he made an additional $75,000 of net income from self-employment (Schedule C, line 31). Complete the 2019 Schedule SE to determine the amount of tax Doug will incur from his consulting business. Note: You will need to complete Section B Long Schedule SE. 1:14-71 Self Employment Tax Calculation Short Tax Form. Doug is a single taxpayer. In 2019, he had wage income of $115,000 from his employer. In addition to his wage income, Doug was a consultant in which he made an additional $75,000 of net income from self-employment (Schedule C, line 31). Complete the 2019 Schedule SE to determine the amount of tax Doug will incur from his consulting business. Note: You will need to complete Section B Long Schedule SE