Sam Strother and Shawna Tibbs are vice presidents of Mutual of Seattle Insurance Company and co-directors of the companys pension fund management division. An important new client, the North-Western Municipal Alliance, has requested that Mutual of Seattle present an investment seminar to the mayors of the represented cities, and Strother and Tibbs, who will make the actual presentation, have asked you to help them by answering the following questions.

1. What are the key features of a bond?

2. What are call provisions and sinking fund provisions? Do these provisions make bonds more or less risky?

Please give me at least one reference. Using complete sentences and academic vocabulary, please answer questions. Please don't copy from other sources. Thank you