The appropriate choice is option (b).
By issuing stocks and bonds on behalf of corporate clients, investment banks help corporations raise funds.
Investment banks facilitate the matching of buyers and sellers, so increasing market liquidity, which benefits the economy and larger financial markets. Additionally, banks' activities increase the effectiveness of financial development and encourage corporate expansion, both of which benefit the economy.
Investment banks assist the trading of securities by bringing together buyers and sellers and buying and selling securities on their own behalf. By creating a market for a particular investment, they offer investors liquidity and prices.
Learn more about investment banks: https://brainly.com/question/15390021
#SPJ4