Which one of the following is the augmented matrix in row-echelon form for the system below? 
Definitions:
Industrial Revolution
A period of significant industrial, technological, and social change starting in the late 18th century that profoundly transformed economies, societies, and cultures around the world.
Highly Developed Economies
Refer to countries with advanced technological infrastructure, high levels of income per capita, and diversified industry sectors.
Technological Advancements
Developments and innovations in technology that improve efficiency, productivity, and capability in various sectors.
Immigrant Parents
Individuals who have moved from one country to another and have children, often facing unique challenges and opportunities in their new homeland.
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