Investment Banks Differ from Commercial Banks in the Fact That

Investment banks differ from commercial banks in the fact that

A) investment banks work only with wealthy customers while commercial banks work only with private firms.
B) investment banks help other financial institutions and governments engage in financial markets while commercial banks work with individuals.
C) commercial banks sell stocks on behalf of their customers while investment banks just finance loans.
D) commercial banks issue stocks and bonds while investment banks do not.
E) commercial banks service the needs of local governments while investment banks work with the federal government.