A company has debt at market value of Tk.200,000 bearing interest rate 4.70%. Market value of company's preference share is Tk.100,000 for which yearly dividend payable is 6% and market value of common stock is Tk.400,000, while retained earnings is Tk.300,000. The expected return on equity is 12.00% and the cost of retained earnings is 11.31%. Given this information you are required to calculate the WACC and give your comments.