Suppose that in 2012 the expected dividends of the stocks in a broad market index equaled $240 million when the discount rate was 8% and the expected growth rate of the dividends equaled 6%. Using the constant-growth formula for valuation, if interest rates increase to 9%, the value of the market will change by _____.
A. -10%
B. -20%
C. -25%
D. -33%
Answer: D