In 2020, what is the amount of self-employment tax that would be paid by Andy for the year assuming he earned $108,900 in W-2 wages while working as an employee of the University and had $20,000 in net income (revenues minus expenses) from a Schedule C sales business that he owns? 1) approximately $1,626 2) approximately $2,825 3) approximately $3,060 4) approximately $18,213 5) None of these are within $50 of the correct amount