Hi, I would like to get some help with these multiple choice questions. Please give some intuition

Question 9. Which of following has a higher yield-to-maturity? AAA rated bonds BBB rated bonds CCC rated bonds They are all about the same Question 10. A bond will pay a $100 par value in one year. It will pay interest of 5% in one year. The current price is 890. The yield to maturity is about, 10 percent 12 percent. 15 percent. 16 percent. Question 11. When not in a recessionthe yield curve is usually Downward sloping Flat Hump shaped. U shaped. Upward sloping Question 12. Which of the following could generate a hump shaped yield curve? Increasing expected returns with constant liquidity premiums. Increasing expected returns with faster increasing liquidity premiums Decreasing expected returns with constant liquidity premim urns with faster increasing liquidity priums Decreasing expected returns with negative liquidit y premiums Question 13. If you buy one call option and one put option with the same strike price, this is profitable if a The stock price goes up a large amount a The stock price goes down a large amount a The stock price movs a large amount in either direction The stock price stays relatively constant