Question 7 Not yet ansv Which of the following is NOT true about duration? Marked out 1.00 P Flag ques Select one: O a. It equals the years-to-maturity for a zero coupon bond b. It equals the weighted average of payment times for a bond, where weights are proportional to the present value of payments OC. Equals the weighted average of individual bond durations for a portfolio, where weights are proportional to the present value of bond prices Od. The prices of two bonds with the same duration change by the same percentage amount when interest rate move up by 100 basis points