the calculation for the cost of debt is not 3.60%, please include the answer in a clear format. i included the calculation weight for debt, common equity, and preferred equity in the third image. i just need the cost of debt please.

Calculate the cost of debt. (Round intermediate colculations to 4 decimal places, eg. 1.2514 and final answer to 2 decimal places, eg. 15.25\%.) Cost of debt 8 The Sandhili Products Co. currently has debt with a market value of $250 million outstanding. The debt consists of 9 percent coupon bonds (semiannual coupon payments) that have a maturity of 15 years and are currently priced at $1.418.61 per bond. The firm also has an issue of 2 million preferred shares outstanding with a market price of $14.00 per share. The preferred shares pay an annual dividend of $1.20. Sandhill also has 14 million shares of common stock outstanding with a price of $20.00 per share. The firm is expected to pay a $2.20 common dividend one year from today, and that dividend is expected to increase by 4 percent per year forever. If Sandhill is subject to a 28 percent marginal tax rate. Excel Template (Note: This template includes the problem statement as it appears in your textbook. The problem assigned to you here may have different values. When using this template, copy the problem statement from this screen for easy reference to the values you've been given here, and be sure to update any values that may have been pre-entered in the template based on the textbook version of the problem.) Debt Preferred equity Common equity