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The Nolan Corporation finds it is necessary to determine its narginal cost of capital. Nolan's currert capital structure calls for 50 percent debt, 30 percent preferred stock, and 20 percert common equty. Inttaly, common equity will be in the form of retatned earnings (K, and then new common stock (K2 ). The costs of the various sources of financing are as follows: debt (after-tax), 9.6 percent, preferred stock 9 percent: retalned eamingr, 10 percent and new common stock, 112 percent. a. What is the inttol weighted average cost of capital? finclude debt, preferred stock, and common equity in the form of retained. eamings, Ke) (Do not round intermediate calculations. Input your answers as a percent rounded to 2 decimal places.) b. It the frem has $10 milion in retained esmingk, at what size captal structurv wilt the firm run out of retained eamings? (Enter your answer in millions of dollars fe.9. 510 milliori should be emtered as "102] C. What wel the marginal cont of capaal be mmedlatsly ather that point? Eqity wel remain at 20 pereent of the capral structure, but Wit al be in the form of new common stook, K1 l iDo not round intemmedtate caladations. input your answer as a percent rounded to 2 decimal places) d. The 95 percent cost of debz referred to earler apgies ond to me fras 529 matan of debt. After that, the cost of debe wal be 11.2