Solar Ltd just paid a $2 dividend on its ordinary shares. The company's annual dividend is expected to grow at a constant rate of 6% and the current price of Solar Ltd's ordinary share is $15.25. Solar Ltd has also preference shares outstanding that pay an annual dividend of $3.5 per year. The current price of Solar Ltd preference share is $100. The market value of its outstanding ordinary and preference share is respectively 105 and 45 million dollars. What is Solar Ltd's cost of ordinary and preference share? What is Solar Ltd's weighted average cost of equity