[Plain Vanilla Coupon Bond] An 8% IBM coupon bond has 9 years until maturity, and sells at a yield to maturity of 7%. (a) What interest payment do bondholders receive each year? (b) At what price is the bond selling now? (c) What will be the bond price if the yield to maturity decreases to 6%? (d) What conclusion can we make based on the results from (b) and (c)? Please draw a graph to illustrate your argument