Which of the Following Is NOT Included in 2013's GDP

Which of the following is NOT included in 2013's GDP?

A) the value of a motorcycle produced in the United States and exported to Japan
B) the profit earned in 2013 from selling a stock that you purchased in 2008
C) the value of a motor that is used in the production of a lawn mower
D) the commission earned by a headhunter when she locates a job for a client