During the next year, the market risk premium, is expected to fall, while the risk-free rate, is expected to remain the same. Given this forecast, which of the following statements is correct?

a. The required return will fall for all stocks, but it will fall more for stocsk with higher betas

b. The required return will increase for stocks with a beta less than 1.0 and will decrease for stocks with a beta greater than 1.0

c. The requied return for all stocks will fall by the same amount

d. The required return will fall for all stocks, but it will fall less for stocks with higher betas