Do you have discovered that when the required rate of return on the bronze your own field by 0.5% from 9.2% to 8.7% the fair value present value rose from $960-$970 the bank pays interest annually what is the duration of the bond assume annual payments

You have discovered that when the required rate of return on a bond you own fell by 0.5 percent from 9.2 percent to 8.7 percent, the fair present value rose from $960 to $970. The bond pays Interest annually. What is the duration of this bond? Assume annual payments. (Do not round Intermediate calculations. Round your answer to 1 decimal place. (... 32.0)) Duration of this bond years