1. Which of the following possible provisions of a bond indenture is designed to ease the burden of principal repayment by spreading it out over several years?
1. Callable feature
2. Convertible feature
3. Subordination clause
4. Sinking fund
2. Duration is a concept that is useful in assessing a bond's _____.
1. credit risk
2. liquidity risk
3. price volatility
4. convexity risk