You are the financial manager of a company. The company is financed through debt, preferred stocks, and common stock. The market value of debt is $$15$ million, the market value of preferred stocks is $$10$ million, and the market value of equity is $$75$ million. Bondholders require a return of $6\%,$ preferred shareholders require a return of $7\%,$ and shareholders require a return of $10\%.$ The corporate tax rate is $21\%.$ What is the company$$s weighted average cost of capital? Answer in percentage with $2$ decimals.

You are the financial manager of a company. The company is financed through debt, preferred stocks, and common stock. The market value of debt is $$15$ million, the market value of preferred stocks is $$10$ million, and the market value of equity is $$75$ million. Bondholders require a return of $6\%,$ preferred shareholders require a return of $7\%,$ and shareholders require a return of $10\%.$ The corporate tax rate is $21\%.$ What is the company$$s weighted average cost of capital? Answer in percentage with $2$ decimals.