The price of bonds is tied to the interest rate; when one goes up, the other must fall

Why might an amusement park switch from charging admission to the park and charging for the rides to charging for admission but not charging for the rides?

What will be an ideal response?

Credit Suisse, Goldman Sachs, and Lazard Freres are examples of

A) commercial banks. B) corporations. C) non-bank financial institutions, such as insurance companies, pension funds, and mutual funds. This includes investment banks, which specialize in underwriting sales of stocks and bonds by corporations and in some cases governments. D) central banks and other government agencies. E) non-profit organizations.