financial management experts please solve it neccessary

2977/20216 The Nolan Corporation finds it is necessary to determine its marginal cost of his curto percent debt, 15 percent preferred stock, and 40 percent common como earnings (Ke) and then new common stock (Kn). The cost of the various sources of trong percent preferred stock. 6 percent, retained earnings, 15 percent, and new common so 2 m a. What is the initial weighted average cost of capital Indude debt, preferred stock, und mode earnings, Ke) (Do not round Intermediate calculations. Input your wenspercent Weighted Com Debt Preferred stock Common equity Weighted average cost of capital b. If the firm has $30 million in retained earnings, at what size capital structure will the fem un out of answer in millions of dollars (e.g. $10 million should be entered as "0"> Capital structure size Next > 17 18 c. What will the marginal cost of capital be immediately after that point? (Equity woman 40 percent de will all be in the form of new common stock, Ks ) (Do not round intermediate calculations. Input your per to 2 decimal places.) Capital structure size Next > 17 18 c. What will the marginal cost of capital be immediately after that point? (Equity woman 40 percent de will all be in the form of new common stock, Ks ) (Do not round intermediate calculations. Input your per to 2 decimal places.)