Suppose that your firm needs $70 million to invest in a project. Also, suppose that your firm has a specific financing mix or capital structure that it adheres to. Specifically, upper management requires that any new financing be raised using the following instruments with the following amounts (note: some rounding error will be likely; just put the best answer possible): Internal Financing 7.00 million Debt Financing 34.36 million Preferred Stock Financing 3.58 million Common Stock Financing 25.06 million What (approximate) percentage of the firm's capital structure is in Common Stock financing? a. 5.11% b. 10.00% c. 12.56% d. 35.78% What (approximate) percentage of the firm's capital structure is in Retained Earnings financing?