I need number $9$ use the information from the three previous problems above $($the initial numbers$)$ to calculate the weighted average cost of capital with the weight of debt being $35\%,$ preferred stock $15\%,$ and common stock $50\%.$

What is the after$-$tax cost of debt for a company in the $42\%$ tax bracket with a bond outstandin at $13\%$ maturity? What if the tax bracket is $46\%?$ What if the tax bracket is $38\%?$

What is the cost of preferred stock if the annual dividend is $$8\mathrm{.}75,$ stock price is $$12,$ and the flotation cost is $$3?$ How is the cost of preferred stock impacted if the annual dividend increase to $$9?$ What if the annual dividend decreases to $$8\mathrm{.}50?$

What is the cost of new common stock if the dividend is $$2\mathrm{.}50,$ price $=$$$25,$ flotation cost is $$1\mathrm{.}75,$ and the growth rate is $5\%?$ How is the cost of new common stock impacted if the growth rate increases to $7\%?$ What if the growth rate decreases to $3\%?$

Use the information from the three previous problems above $($the initial numbers$)$ to calculate the weighted average cost of capital with the weight of debt being $35\%,$ preferred stock $15\%,$ and common stock $50\%.$