Beta companys share is 0.80, the Corporate tax rate is 30%, the Dividend Distribution Tax is 15%. The average return on the Companys equity shares is 20%. The risk-free return is 8.5%. The floatation cost for share and debenture is 2% Assume the cost of retained earnings as one percent less than that of the cost of equity. Use YTM formula wherever required. Calculate the approximate Weighted Average Cost of Capital.