A four-year bonds price is $85.56 and its duration is 3.89. How much you expect the bond price to move when there is a 0.2% decrease in its yield. (Use duration; and enter negative values with negative sign, positive values without any sign in two decimals, and do not use $ sign. I.e., for $0.5789 enter 0.58; for - $0.5789 enter -0.58 )