Which of the following statements correctly describes features of the empirical work concerning the "diversification discount" conducted by Berger and Ofek and discussed in lectures? More than one of the other answers is correct On average, firms that operate over multiple business segments trade at a premium relative to the value implied by the sum of the estimated values of the individual segments. On average, the diversification discount for diversified firms increases when the business segments are involved in similar industries. None of the other answers is correct One of the reasons put forward for the diversification discount is that the diversified company "over invests" rather than returning free cash flows to shareholders