ECC has an equity ratio of 30 %. The debt capital consists of two bank loans and two bonds. The first Bond was issued 6 years ago at a coupon rate of 8,5 % and represents 40 % of ECC's debt; Bond 2 was issued 2 years ago at a coupon rate of 6,5 % and represents 30% of ECC's debt. The interest rate of bank loan 1 is at 6,5 %; the interest rate of bank loan 2 (which is half the amount of bank loan 1) is at 4,5 %. Please calculate the WACC. (5 points)