.If a firm has a capital structure of $26m and $10m preferred stock, how much must the weight on common stock be if the total capital structure consists of $106m of securities?

a. What is the value of a levered firm if a similar nonlevered firm has operating income (EBIT) of $123m, a tax rate of 21%, and a required rate of return of 13.5%?

b. What is the value of a levered firm that has operating income (EBIT) of $101m, a tax rate of 21%, $382m of debt at 4%, and a required rate of return of 13.4%?

c. What is the value of an all-equity firm that has operating income (EBIT) of $102m, a tax rate of 21%, and a required rate of return of 14.2%?