Which of the Following Statements Is TRUE About North American

Which of the following statements is TRUE about North American Industrial Classification System (NAICS) codes?

A) The NAICS codes are considered to be perfect codes that adjust to a country's own unique economic structure.
B) The NAICS codes apply to the major economies of the world except Mexico and Canada.
C) The NAICS codes make it possible to purchase detailed information on each of the codes in the system.
D) The NAICS code defines 10 business sectors based on a four-digit hierarchical code.
E) The NAICS code classifies companies on the basis of their tertiary output.