6. A share of preferred stock has equal quarterly dividends of $5 and this is expected to continue forever. The next dividend is 3 months from now. Given the risk of this stock, investors required a return of 6% EAR, however a surprising negative economic news announcement was just released, investors have become more risk averse and they now require a return of 9% EAR for this stock. By what percentage did this stock's price change due to the change in the required return? a. -50.0000% b. -33.3333% c. -32.6213% d. 32.6213% por sit vol e. 33.3333%