In 2014, Airbus spent about 13 billion euros on parts for its A320 family of jets, which compete with Boeing's 737 in the busiest part of the $120 billion-a-year aircraft market.
Utilize the input text as a context reference, choose the right relationship between 'Airbus' and 'aircraft' from the options.
Options: chairperson, chief executive officer, product/material produced, headquarters location