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$.-50\mathrm{.}0000\%$

b$.-33\mathrm{.}3333\%$

c$.-32\mathrm{.}6213\%$

d$.32\mathrm{.}6213\%$

e$.33\mathrm{.}3333\%$