The market value of which of the following would be considered double counting in the calculation of GDP? Please sort into the appropriate box. 3 items go in "included in GDP" the rest go in not included.

1. not included in GDP because of double counting
2. Included in GDP

A. a used skateboard you buy for your brother
B. the commission paid to the seller of a previously owned collectors skateboard
C. a new building for tony hawk industries
D. used copy of the tony hawk video game
E. previously owned collectors skateboard
F. ticket for the X games bought from a person on a street corner
G. new skateboard you buy for your niece
H. Wheels used to produce a skateboard that will be sold new