correct Answer ( C )

Commercial banks and investment banks serve distinct roles in the financial system. Commercial banks primarily focus on providing financial services to individuals and businesses such as taking deposits, offering loans and providing basic banking services like checking accounts and debit cards , which play a critical role in facilitating everyday financial transactions . In contrast, investment banks focus on assisting corporations and governments with raising capital through activities such as underwriting securities (stocks and bonds), mergers and acquisitions advisory and trading in financial markets . While some large financial institutions offer both commercial and investment banking services