Part 1 | Attempt 1/3 for 10 pts. Which of the following statements are true about duration? Check all that apply: It is a weighted average of time periods where the weights are the percentage of the bond's value coming from that period. It presents the effective average maturity of the bond's cash flows. It is used to assess a bond's credit risk. The duration of a zero-coupon bond is equal to its time to maturity. Submit