2. Sarah has a perpetual bond issue that pays a coupon rate of 15% per annum. The bonds par value is RM300 and the market price is RM450. The tax rate is 15%. Sarah issuing preferred stocks at RM150 per share. Dividend of RM45, and a floatation cost of 8%. The weighted is 60% for preferred stock. Calculate: a) Cost of preferred stock b) Cost of debt c) Cost of debt after taxes d) Weighted-Average Cost of Capital