Please solve on excel

You are given the following information for TELUS. Assume the company's tax rate is 38%. Debt: 5,500 7 percent semi-annual coupon bonds outstanding, $1000 par value, 26 years to maturity, selling for 103 percent of par. Common Stock: 80,000 shares outstanding. The 3-month T-bill rate is 1%, the market rate of return is 12% and the stock has a beta value of 1.2. The stock is currently trading at $50. Preferred Stock: 13,000 shares of 6 percent preferred stock outstanding, currently selling for $106 per share. a. What is the TELUS's capital structure? (i.e. find the weights) (5 marks) b. What is the cost of debt? (2 marks) c. What is the firm's cost of equity? (2 marks) d. What is the firm's cost of preferred stock? (1 mark) e. What is firm's WACC? (2 marks)