Please explain the following:

1. What are bonds? How are they traded?
2. How is the bond's internal rate of return or yield to maturity determined?
3. How is credit quality risk of bonds may be issued by a corporation minimized?
4. What is the relationship between bond rating and expected rate of return?

Please describe the following types of bonds

1. Unsecured long-term bonds
2. Secured long-term bonds
3. Junk bonds
4. Floating rate of variable rate bonds