Explain whether each of the following would be included in GDP, GNP, or both of the United

Question:

Explain whether each of the following would be included in GDP, GNP, or both of the United States.
(a) The salary of an American who is working in Japan for Honda (a Japanese company).
(b) The profits that Honda earns from its production of cars in Ohio.
(c) The value of the software that Microsoft sells to Honda for use in its corporate headquarters in Japan.