Alpha LTD has the following data: $,000 Ordinary share capital of $1 6,000 each Retained profits 3,000 3% Preference shares of $1 1,000 each 6% Debentures 4,000 Ordinary shares are quoted at 147 The company is 1.2 and the risk free rate is estimated to be 4%, the market risk premium is 8% Preference shares are quoted at 76 Debentures are irredeemable and are quoted at $99 (per $100) tax is 20% Calculate the weighted average cost of capital