please calculate the Marginal costs of capital for Fairfield?

Examine the following book-value balance sheet for Fairfield Office supplies for the year 2022. What is the capital structure of the firm based on market values? The preferred stock currently sells for $7.00 per share and the common stock for $16.00 per share. The preferred stock pays a dividend of $.70 per share, the Common Stock paid a dividend of $1.10 last year, and the firm is expected to continue to grow at the same rate as the net income for the past five years, The rate on 90 day treasuries is 1.50%, the beta of the stock is 1.45 , the market risk premium is 8%, and the firm's tax rate is 40%. The float costs are as follows: Debt: 10% of par only for the amount borrowed under $1.1 million (after that it is 0% ), preferred: $0.6 per share and Common: $1.75 per share. The firm has paid out 30% of its net income as dividend in the past five years and is expected to continue. If the company borrows over $1.1 million then the cost of debt goes from 9.0% to 11% (including flotation) and if the company borrows over $2.2 million the cost goes to 13% (including flotation). Find the Marginal costs of capital for Fairfield. Fairfield tax rate is 40%. (For Required return of retained earnings use an average of the DCF method and the CAPM method). To determine the capital structure of Fairfield Office Supplies based on market values, we need to calculate the market value of the preferred and common stocks