22. Duration Calculations The duration of a perpetual preferred stock that pays an annual constant dividend and has a 12% yield is a. 7 years b. 10 years c. 8 years d. 9 years 24, Duration and Predicted Bond Price Changes Duration predicts that a 4% yield bond with a 6 year duration will change in price by if yields increase by 55 basis points. a. 3.17% -3.31% 3.31% -3.17% b. c. d. 25, Modified Duration An annual payment bond has a duration of 3 years and a yield rate of4.5%. This bond has a modified duration of years a.3708 a. 2.94