(a) The calculation of the Weighted Average Cost of Capital (WACC) is theoretically easy but practically complex. Discuss.
(b) Two-fifths of the total market value of Jefferson plc having of loan stock with a cost of 10%.Nelson plc is identical to Jefferson except that its capital structure is all equity and its cost of equity is 16%.
According to Modigliani & Miller, ignoring taxation, what would be the cost of equity of Jefferson plc?
(c) Does an optimal capital structure exist? Discuss.