Gamma firm has a debt to equity ratio of 2.34 (that they wish to maintain) and new investments would cost $75 million this year. The firm expects earnings of $25 million this year. a) Calculate the dividends paid and external equity financing required if the firm follows a residual dividend policy. (6 marks) b) Calculate the dividends paid and external equity financing required if the firm has a fixed payout ratio of 25% (4 marks)