Par value bond F has a modied duration of 9. Which one of the following statements regarding the bond is true? A. If the market yield increases by 1% the bonds price will decrease by $90. B. If the market yield increases by 1% the bond's price will increase by $90. C. If the market yield increases by 1% the band's price will decrease by $60. D. If the market yield decreases by 1% the bond's price will increase by $60. E. None of these is true