corporate finance finc410 on bonds

Why do the different types of bonds get different rates? Explain your answer.
What makes each of the different structures different? Explain your answer.
What does the rate given say about the credit rating for each issuer? Explain your answer.
How does credit rating affect the rate given to the issuer? Explain your answer.
Which structure has the best credit rating based on the yield given to each structure? Explain your answer.
What is the credit rating supposed to tell you? Explain your answer.
Which bond is receiving the best price? Explain your answer.
Why does having a good credit rating matter to the issuer? Explain your answer.

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