The correct answer is B) information technology.
The sector that contributed the most to Washington's GDP in 2013 was information technology, although agriculture has always been the most important economic contributor in the state of Washington.
The real GDP of the state of Washington in 2013 was $463,018 (Billions). Just to have a reference to compare, the GDP of the state in 2019 was $612,996 (Billions).
Agriculture is the "star" of the GDP in Washington. It averages $51 billion a year, being the major contributor to the economy, State registers indicate that more than 160,000 jobs are generated in the agriculture industry. This represents a major number of people compared to the people employed by companies such as Boing or Microsoft, the modern icons of the state.
The Commonwealth<span> of Nations is a voluntary association of 52 sovereign states. </span>
