Which one of the following statements concerning beta is correct ? The beta assigned to the overall market is zero .

A) stock with a beta of 1.2 earns a higher risk premium than a stock with a beta of 1 .

B) A stock with a beta of .5 has 50 percent more risk than the overall market .

C) Beta is applied to the T - bill rate when computing the discount rate used for the dividend.

D) The higher the beta , the higher the discount rate used for the dividend discount mod