Q1. from the below image. Do the relative returns match your expectations based on the bond category? Why? (If you need a refresher on what these ratings mean, this link provides a quick and dirty table: https://www.investopedia.com/walkthrough/corporate-finance/3/bonds/ratings.aspx)

Q2. from the image below. Do the spreads appear to relate to anything going on in the economy over time?

Yields 18% 16% 14% 12% 10% 8% 6% 4% 2% 0% 10-Year Treasury Baa