Consider the following data to solve problems 1 to 5.

A. The investment capital of Executive Consultants, Inc. is as follows: Capital sources Capital Debt (corporate bonds) $4,100,000 Preferred Stock $2,200,000 Common shares $2,800,000

B. To generate the $4.1 million of corporate bond principal, they issued bonds at $965 par value, with an annual coupon of $100 for the next 10 years, with a floatation cost of $10 per bond. C. The issue of preferred stock costs $5 per share and will pay a dividend of 10% of its par value of $110 per preferred share. D. The risk-free rate is 3.45% and the market return is 11.25%. The company's beta coefficient is 1.23. E. Executive Consultants, Inc. has a 35% tax liability. Issues: To receive credit for your answer, you must present the procedure and all the calculations. 

1. Determine the capital structure of Executive Consultants, Inc.   

 2. Calculate the cost of debt.  

3. Calculate the cost of preferred equity.  

4. Calculate the cost of equity capital (common shares).   

5. Determine the weighted average cost of capital (WACC) for the firm.