El Capitan Foods has a capital structure of 31% debt and 69% equity, its tax rate is 25%, and its beta (leveraged) is 0.95. Based on the Hamada equation, what would the firm's beta be if it used no debt, i.e., what is its unlevered beta, bU? a. 0.77 b. 0.85 c. 0.71 d. 0.66 e. 0.36