Jill is a self-employed consultant who has schedule c business income of $150,000 in 2020. She has no other wages or other earned income. Calculate her self-employment tax for 2020. (The 2020 social security limit is $137,700)

John Brown is a self-employed consultant who has schedule C business income of $80,000 in 2020, He has no other earned income. Calculate his Self-Employment Tax for 2020.