10. Johnson, a sole proprietor, had the following activities during 2020: Revenue Landscaping Construction Consulting Total revenue Expenses Wages Payroll taxes License fee Supplies Cell phone Meals Internet service Total expenses Net profit What is Johnson's self-employment tax? 028 $ 65,000 70,000 25,000 S 160,000 $ 95,000 10,000 500 5,300 600 5,000 900 117,300 $ 42,700