Novo is a firm with a negative beta. Its equity risk premium is and investors shares of stock of Novo as part of their portfolio because this a) negative; would want to hold; will reduce the variability of their portfolio by providing a hedge against recession risk b) negative; would not want to hold; will increase the variability of their portfolio. c) positive; would not want to hold; will increase the variability of their portfolio. d) positive; would want to hold; does not increase the variability of their portfolio. e) sometimes positive and sometimes negative; may not want to hold; may increase the variability of their portfolio