Which of the following taxpayers may owe the additional Medicare tax in 2020?
1) Brad and Jane file jointly and have combined wages of 288,000.
2) Terry's only income in 2020 is from his investments and totals 290,000.
3) Jack has earned 150,000 in compensation from his employment at Bland Foods Inc.
4) Lisa, whose filing status is head of household, is self-employed and has self-employment income of 225,000.