Commercial banks are essential to the national economy by managing accounts and credit lines for individuals and businesses. They provide a wide range of financial services, playing a crucial role in economic growth. The correct answer to the question is D. commercial banks. ;
The type of bank that contributes most significantly to the national economy by managing accounts and credit lines for individuals and businesses is commercial banks. They offer a broad range of services, including loans and credit management. The correct answer is D. commercial banks.
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