Jaycee worked for United Airlines. United Airlines provides its employees the benefit of flying on its airplanes for free, as long as there are seats available on the airplane. Jaycee took advantage of the benefit and took a round trip flight for free. United would normally charge $500 for that flight. Which of the following is true regarding the free flight that Jaycee took? 

Group of answer choices

 Jaycee must include $500 in his taxable income. 

If United's profit percentage on the flight was 10%, Jaycee must include $450 in his taxable income. 

Jaycee includes $0 in his taxable income. 

If United's profit percentage on the flight was 10%, Jaycee must include $50 in his taxable income.